Chapter IV

used before a singular noun to mean one of a group, when it is not a particular one

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

farther along in physical or mental development

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

make it possible through a specific action or lack of action for something to happen

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

the form of “a” used before a word that begins with a vowel sound

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

used to join words or parts of a sentence that go together

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

in an animated manner

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

at the same time that; because; in the way that

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

in or near a particular place or position

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

past form of “challenge” — take exception to

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

plural of “chum” — a close friend who accompanies his buddies in their activities

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

an enclosed passageway; rooms usually open onto it

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

inflected form of “creep” — move slowly; in the case of people or animals with the body near the ground

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

a flow of electricity through a conductor

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

lacking in light; not bright or harsh

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

-ing form of “discuss” — to consider or examine in speech or writing

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

a swinging or sliding barrier that will close the entrance to a room or building or vehicle

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

the entrance (the space in a wall) through which you enter or leave a room or building; the space that a door can close

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

the time of day immediately following sunset

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

having a face or facing especially of a specified kind or number; often used in combination

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

a diagram or picture illustrating textual material

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

provided with a frame

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

characterized by directness in manner or speech; without subtlety or evasion

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

grant freedom to; free from confinement

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

a person you know well and regard with affection and trust

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

showing where something starts, or who sent it

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

(of animals) fully developed

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

the past form of “have”, used to form the past perfect

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

moving to the inside of something

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

someone who intrudes on the privacy or property of another without permission

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

a thing, animal, or idea already mentioned

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

indicating the most important performer or role

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

location near or direction toward the left side; i.e. the side to the north when a person or object faces east

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

having abundant light or illumination

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

(of actions or states) slightly short of or not quite accomplished; all but

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

the time after sunset and before sunrise while it is dark outside

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

not one, and not any

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

in the historical present; at this point in the narration of a series of past events

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

belonging to, or connected with, somebody or something

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

(used especially of persons) having lived for a relatively long time or attained a specific age

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

To move from a closed position.

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

past form of “prevent” — keep from happening or arising; make impossible

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

plural of “prospect” — the possibility of future success

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

-ing form of “recognize” — accept (someone) to be what is claimed or accept his power and authority

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

an area within a building enclosed by walls and floor and ceiling

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

the seventh and last day of the week; observed as the Sabbath by Jews and some Christians

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

plural of “shadow” — shade within clear boundaries

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

in an aggressive manner

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

used to introduce what somebody said, thought, or felt

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

belonging to the people or things already mentioned

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

the people or things already mentioned, as the object

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

the people, animals, or things already mentioned, as the subject

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

the content of cognition; the main thing you are thinking about

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

the cardinal number that is the sum of one and one and one

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

used before the base form of a verb to make the infinitive

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

during the time that

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.

which person or people

From this reading The doorway framed a dim figure who now advanced into the room as Frank challenged sharply:

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading “Who’s that?”

the form of “who” used as the object of a verb or preposition

From this reading None of them had thought of lighting the gas and the night shadows that had crept into the room prevented them from recognizing the intruder whom they now faced.

having great (or a certain) extent from one side to the other

From this reading They had left the door of the room leading into the corridor wide open to allow a free current of air.

a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air

From this reading AN OLD FRIEND It had grown nearly dusk while the three chums sat at the window of their room animatedly discussing their prospects.