oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines
progesterone
Noun
a steroid hormone (trade name Lipo-Lutin) produced in the ovary
progestin
Noun
any of a group of steroid hormones that have the effect of progesterone
progestogen
Noun
any of a group of steroid hormones that have the effect of progesterone
phenothiazine
Noun
a compound used primarily in veterinary medicine to rid farm animals of internal parasites
parchment
Noun
skin of a sheep or goat prepared for writing on
parchment
Noun
a superior paper resembling sheepskin
ptyalin
Noun
an amylase secreted in saliva
prolactin
Noun
gonadotropic hormone secreted by the anterior pituitary
pentanoic acid
Noun
a clear liquid carboxylic acid used in perfumes and drugs
polyunsaturated fatty acid
Noun
an unsaturated fatty acid whose carbon chain has more than one double or triple valence bond per molecule
patent leather
Noun
leather with a hard glossy surface
polypeptide
Noun
a peptide containing 10 to more than 100 amino acids
pigskin
Noun
leather from the skin of swine
peptide
Noun
amide combining the amino group of one amino acid with the carboxyl group of another
prednisolone
Noun
a glucocorticoid (trade names Pediapred or Prelone) used to treat inflammatory conditions
prednisone
Noun
a dehydrogenated analogue of cortisol (trade names Orasone or Deltasone or Liquid Pred or Meticorten)
polybutylene
Noun
a polymer of butylene
polybutene
Noun
a polymer of butylene
perchloromethane
Noun
a colorless nonflammable liquid used as a solvent for fats and oils
paperboard
Noun
a cardboard suitable for making posters
poster board
Noun
a cardboard suitable for making posters
peroxide
Noun
a viscous liquid with strong oxidizing properties
peroxide
Noun
an inorganic compound containing the divalent ion -O-O-
peroxide
Verb
bleach with peroxide
posterboard
Noun
a cardboard suitable for making posters
pipeclay
Noun
fine white clay used in making tobacco pipes and pottery and in whitening leather
pasteboard
Noun
stiff cardboard made by pasting together layers of paper
potter's clay
Noun
clay that does not contain any iron
potter's earth
Noun
clay that does not contain any iron
Portland cement
Noun
a cement that hardens under water
pyrocellulose
Noun
nitrocellulose containing less nitrogen than guncotton
pyroxylin
Noun
highly flammable nitrocellulose used in making collodion and plastics and lacquers
pyroxyline
Noun
highly flammable nitrocellulose used in making collodion and plastics and lacquers
phosphate buffer solution
Noun
a solution containing a phosphate buffer
phenol
Noun
a toxic white soluble crystalline acidic derivative of benzene
phenol
Noun
any of a class of weakly acidic organic compounds
phenylic acid
Noun
a toxic white soluble crystalline acidic derivative of benzene
pheromone
Noun
a chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the same species
precious coral
Noun
the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry
phellem
Noun
(botany) outer tissue of bark
pancreatin
Noun
extract from the pancreas of animals that contains pancreatic enzymes
pollutant
Noun
waste matter that contaminates the water or air or soil
pregnant chad
Noun
a chad that has been punched or dimpled but all four corners are still attached
propylene glycol
Noun
a sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
propanediol
Noun
a sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
particulate matter
Noun
a small discrete mass of solid or liquid matter that remains individually dispersed in gas or liquid emissions (usually considered to be an atmospheric pollutant)