| acumen | (noun) shrewdness shown by keen insight | Synonyms: insightfulness |
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| (noun) a tapering point | - |
| albumen | (noun) the white part of an egg; the nutritive and protective gelatinous substance surrounding the yolk consisting mainly of albumin dissolved in water | Synonyms: egg white, ovalbumin, white |
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| (noun) a simple water-soluble protein found in many animal tissues and liquids | Synonyms: albumin |
| bitumen | (noun) any of various naturally occurring impure mixtures of hydrocarbons | - |
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| catechumen | (noun) a new convert being taught the principles of Christianity by a catechist | Synonyms: neophyte |
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| cerumen | (noun) a soft yellow wax secreted by glands in the ear canal | Synonyms: earwax |
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| lumen | (noun) a cavity or passage in a tubular organ | - |
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| (noun) a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions | Synonyms: lm |
| numen | (noun) a spirit believed to inhabit an object or preside over a place (especially in ancient Roman religion) | - |
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| rumen | (noun) the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing | Synonyms: first stomach |
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