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Webster’s Dictionary (1828)



1,604 words match “OCA”

AMPHIOXUS n.
either brain, skull, vertebræ, nor red blood. It forms the type of the group Acrania, Leptocardia, etc.
AMYL n.
A hydrocarbon radical, C5H11, of the paraffine series found in amyl alcohol or fusel oil, etc.
AMYLENE n.
One of a group of metameric hydrocarbons, C5H10, of the ethylene series. The colorless, volatile, mobile liquid commonly called amylene is a mixture of different members of the group.
ANAESTHESIA n.
Entire or partial loss or absence of feeling or sensation; a state of general or local insensibility produced by disease or by the inhalation or application of an anæsthetic.
ANARCHIST n.
An anarch; one who advocates anarchy of aims at the overthrow of civil government.
ANASTIGMATIC a.
f a converging lens and a diverging lens of equal and opposite astigmatism but different focal lengths, and sensibly free from astigmatism.
ANCILLARY a.
Subservient or subordinate, like a handmaid; auxiliary. The Convocation of York seems to have been always considered as inferior, and even ancillary, to the greater province. Hallam.
ANGINA n.
s the quinsy, malignant sore throat, croup, etc., especially such as tends to produce suffocation, choking, or shortness of breath. Angina pectoris, a peculiarly painful disease, so named from a sense of suffocating contraction or tightening of the lower part of the chest; -- called also breast pang, spasm of the chest…
ANGLO- n.
glish Normans, or the Normans who conquered England. Anglo-Saxon. See Anglo-Saxon in the Vocabulary.
ANHELE v.
be breathlessly anxious or eager (for). [Obs.] They anhele . . . for the fruit of our convocation. Latimer.
ANSWER v.
To be or act by way of compliance, fulfillment, reciprocation, or satisfaction; to serve the purpose; as, gypsum answers as a manure on some soils. Do the strings answer to thy noble hand Dryden.
ANTHRACENE n.
A solid hydrocarbon, C6H4.C2H2.C6H4, which accompanies naphthalene in the last stages of the distillation of coal tar. Its chief use is in the artificial production of alizarin. [Written also anthracin.]
ANTHRAQUINONE n.
A hydrocarbon, C6H4.C2O2.C6H4, subliming in shining yellow needles. It is obtained by oxidation of anthracene.
ANTICIPATE v.
or before the proper or normal time; to cause to occur earlier or prematurely; as, the advocate has anticipated a part of his argument.
APHASIA; APHASY n.
Loss of the power of speech, or of the appropriate use of words, the vocal organs remaining intact, and the intelligence being preserved. It is dependent on injury or disease of the brain.
APHONIA; APHONY n.
Loss of voice or vocal utterance.
APHONIC; APHONOUS a.
Without voice; voiceless; nonvocal.
APHRODISIAC; APHRODISIACAL a.
Exciting venereal desire; provocative to venery.
APNOEA; APNEA n.
Partial privation or suspension of breath; suffocation.
APO n.
r asunder, separate; as, in apocope (a cutting off), apostate, apostle (one sent away), apocarpous.
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