13-Letter Words Starting with P

Trimming

A substance (C5H11NO2S) which is a degradation product of the penicillins. Chemically it is 3-mercapto-D-valine. It has chelating properties and is used in medicine as an antirheumatic and to chelate copper in cases of hepatolenticular degeneration (Wilson's disease).C5H11NO2S) which is a degradation product of the penicillins. Chemically it is 3-mercapto-D-valine. It has chelating properties and is used in medicine as an antirheumatic and to chelate copper in cases of hepatolenticular degeneration (Wilson's disease).

""An enzyme which destroys the antibacterial activity of penicillin by hydrolyzing the amide bond in the beta-lactam ring. Many penicillinases are known, and are produced by a wide variety of bacteria. The production of penicillinase is one of the mechanisms by which bacteria may become resistant to penicillins. Penicillinase production in various bacterial species may be induced, i.e., it may occur only when stimulated by the presence of penicillin in the culture medium, or it may be constitutive, i.e., it may occur whenever the cells are producing protein. Molecular weights of the various penicillinases tend to cluster near 50,000.""

""A drug, C 17 H 25 N, used in veterinary medicine as an anesthetic and illegally as a hallucinogen; PCP.""

English word

Drug used as a strong tranquilliser and in the treatment of schizophrenia

""An essential amino acid, C 9 H 11 NO 2 , that occurs as a constituent of many proteins and is normally converted to tyrosine in the human body. It is necessary for growth in infants and for nitrogen equilibrium in adults.""

""An adrenergic drug, C 9 H 13 NO 2 , that is a powerful vasoconstrictor and is used to relieve nasal congestion, dilate the pupils, and maintain blood pressure during anesthesia.""

English word

Biology Repelled by light; exhibiting a negative phototactic or phototropic response.

PHOTOSYNTHATE

""An alkaloid found in the Calabar bean (the seed of Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or crystalline; formerly called eserine, with which it was regarded as identical. Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or crystalline; formerly called eserine, with which it was regarded as identical.""

English word

To utter platitudes or truisms.

One of the Pneumonophora.

BUTADIENE a gaseous hydrocarbon C4H6; -- it is used as a monomer unit in making synthetic rubbers.C4H6; -- it is used as a monomer unit in making synthetic rubbers.

Synthetic resin

""PROPYLENE A colorless gaseous hydrocarbon (C3H6) of the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various ways. Called also propene. C3H6) of the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various ways. Called also propene.""

Adjective meaning resembling

English word

Noun (-ence)

An excess in number or quantity

The lion's share

Quality of being greater in number

""PUBESCENCE The quality or state of being pubescent, or of having arrived at puberty.""

(Right of) being first-born

State of being the firstborn

Firstborn-inherits system

Wait until tomorrow, unnecessarily

Put off due to rain, spectator moved

Put off what should be done now

Forecast disastrous operating cost

Divine erotic snap got hacked

Prophesy, foretell

Capable of being pronounced.

Corresponding in size

In scale for amount of food consumed

Corresponding in size to something else

A language that is the recorded or hypothetical ancestor of another language or group of languages. Also called Ursprache .

To render provincial.

""A theory, methodology, or practice that is considered to be without scientific foundation.""

Emulate Freud

""A drug, C 12 H 13 ClN 4 , used principally in the prophylactic treatment of malaria.""