used before a singular noun to mean one of a group, when it is not a particular one
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
the form of “a” used before a word that begins with a vowel sound
From this reading Half an hour passed in silence, and then the Doctor spoke:
analysisnounUS /əˈnæləsəs/
an investigation of the component parts of a whole and their relations in making up the whole
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
used to join words or parts of a sentence that go together
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
busilyadverbUS /ˈbɪzəli/
in a busy manner
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
chemicaladjectiveUS /ˈkeməkəl/
relating to or used in chemistry
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
a licensed medical practitioner
From this reading Half an hour passed in silence, and then the Doctor spoke:
a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds
From this reading THE FAITHFUL DOG.
Dr
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
having ones attention or mind or energy engaged
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
past form of “enter” — to come or go into
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
steadfast in affection or allegiance
From this reading THE FAITHFUL DOG.
about to be mentioned or specified
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
set up or found
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
Good-morning
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading "Good-morning, Leon," said he.
consisting of one of two equivalent parts in value or quantity
From this reading Half an hour passed in silence, and then the Doctor spoke:
a man, boy, or male animal already mentioned, as the subject
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
the male already mentioned, as the object of a verb or preposition
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
belonging to a man, boy, or male animal already mentioned
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
a period of time equal to 1/24th of a day
From this reading Half an hour passed in silence, and then the Doctor spoke:
inside something, or within a place, period, or state
From this reading Half an hour passed in silence, and then the Doctor spoke:
interruptingverbUS /ˌɪntərˈʌptɪŋ/
-ing form of “interrupt” — make a break in
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
laboratorynounUS /ˈlæbrətɔːri/
a workplace for the conduct of scientific research
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
LeonnounUS /ˈliːɑːn/
a historical area and former kingdom in northwestern Spain
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
Medjora
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
the time period between dawn and noon
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
morning'snounUS /ˈmɔːrnɪŋz/
possessive form of “morning” — the time period between dawn and noon
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
touching and supported by a surface
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
have ownership or possession of
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
past form of “pass” — go across or through
From this reading Half an hour passed in silence, and then the Doctor spoke:
being the one previously mentioned or spoken of
From this reading "Good-morning, Leon," said he.
Complete absence of sound; a state of quietness and stillness.
From this reading Half an hour passed in silence, and then the Doctor spoke:
support consisting of a radial member of a wheel joining the hub to the rim
From this reading Half an hour passed in silence, and then the Doctor spoke:
a set of data arranged in rows and columns
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
any piece of work that is undertaken or attempted
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading THE FAITHFUL DOG.
subsequently or soon afterward (often used as sentence connectors)
From this reading Half an hour passed in silence, and then the Doctor spoke:
for that reason; as a result
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
used before the base form of a verb to make the infinitive
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
inflected form of “take” — carry out
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
being or moving higher in position or greater in some value; being above a former position or level
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
uponprepositionUS /əˈpɑːn/
a formal word for “on”
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
inflected form of “go” — change location; move, travel, or proceed, also metaphorically
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.
at the time that
From this reading On the following morning, when Leon entered the laboratory, he found Dr. Medjora busily engaged upon a chemical analysis.
not having, not using, or not accompanied by
From this reading He, therefore, without interrupting him, went to his own table, and took up his morning's task.