used before a singular noun to mean one of a group, when it is not a particular one
From this reading A thousand years ago the serum of longevity was perfected.
achievementsnounUS /əˈtʃiːvmənts/
plural of “achievement” — the action of accomplishing something
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
how long something has existed
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
in the past
From this reading A thousand years ago the serum of longevity was perfected.
amongprepositionUS /əˈmʌŋ/
surrounded by; in the middle of a group
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
the form of “a” used before a word that begins with a vowel sound
From this reading I have often meant to ask you for an explanation.”
one or some or every or all without specification
From this reading “Yes, of course,” I replied, “nor any children.
areauxiliary verbUS /ɑːr/
the form of “be” used with you, we, they, or a plural noun
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
make a request or demand for something to somebody
From this reading I have often meant to ask you for an explanation.”
marked by assurance; exhibiting confidence
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
plural of “child” — a young person of either sex
From this reading “Yes, of course,” I replied, “nor any children.
education imparted in a series of lessons or meetings
From this reading “Yes, of course,” I replied, “nor any children.
crowningadjectiveUS /ˈkraʊnɪŋ/
representing a level of the highest possible achievement or attainment
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.
From this reading I have often meant to ask you for an explanation.”
intended to be given to, or used by, somebody
From this reading I have often meant to ask you for an explanation.”
Haveauxiliary verbUS /hæv/
used with a past participle to form the perfect tenses
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
a man, boy, or male animal already mentioned, as the subject
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
the person speaking or writing, as the subject of the verb
From this reading “Yes, of course,” I replied, “nor any children.
past form of “inquire” — address a question to and expect an answer from
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
longevitynounUS /lɔːnˈdʒevəti/
duration of service
From this reading A thousand years ago the serum of longevity was perfected.
the person speaking, as the object of a verb or preposition
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
inflected form of “mean” — mean or intend to express or convey
From this reading I have often meant to ask you for an explanation.”
medicaladjectiveUS /ˈmedəkəl/
relating to the study or practice of medicine
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
in accordance with nature; relating to or concerning nature
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
not any; not one
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
and not; used after a negative to add a second negative
From this reading “Yes, of course,” I replied, “nor any children.
used to make a word, phrase, or sentence negative
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
being perceived or observed
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
belonging to, or connected with, somebody or something
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
many times at short intervals
From this reading I have often meant to ask you for an explanation.”
(used especially of persons) having lived for a relatively long time or attained a specific age
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
perfectedadjectiveUS /pərˈfektɪd/
(of plans, ideas, etc.) perfectly formed
From this reading A thousand years ago the serum of longevity was perfected.
phenomenanounUS /fəˈnɑːmənə/
plural of “phenomenon” — any state or process known through the senses rather than by intuition or reasoning
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
inflected form of “reply” — react verbally
From this reading “Yes, of course,” I replied, “nor any children.
a particular branch of scientific knowledge
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
serumnounUS /ˈsɪrəm/
an amber, watery fluid, rich in proteins, that separates out when blood coagulates
From this reading A thousand years ago the serum of longevity was perfected.
plural of “sign” — a perceptible indication of something not immediately apparent (as a visible clue that something has happened)
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
used to introduce what somebody said, thought, or felt
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
in or at that place or location
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
the plural of “this”: the people or things near, or just mentioned
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
the people, animals, or things already mentioned, as the subject
From this reading “These are not natural phenomena,” he assured me; “they are the crowning achievements of medical science.
the cardinal number that is the product of 10 and 100
From this reading A thousand years ago the serum of longevity was perfected.
used before the base form of a verb to make the infinitive
From this reading I have often meant to ask you for an explanation.”
the speaker and others, as the object of a verb or preposition
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.
wasauxiliary verbUS /wɑːz/
the past form of “be” used with I, he, she, it, or a singular noun
From this reading A thousand years ago the serum of longevity was perfected.
a late time of life
From this reading A thousand years ago the serum of longevity was perfected.
an affirmative
From this reading “Yes, of course,” I replied, “nor any children.
the person or people being spoken to
From this reading “Have you not noticed that there are no signs of old age among us?” he inquired.