blood group, blood type - people whose blood (usually just the red blood cells) has the same antigens

Bacillus anthracis, anthrax - a species of Bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and sheep and rabbits and mice and guinea pigs); can be used a bioweapon

Bacillus globigii, Bacillus subtilis, grass bacillus, hay bacillus - a species of Bacillus found in soil and decomposing organic matter; some strains produce antibiotics

Yersinia pestis - a Bacillus bacteria that causes plague; aerosolized bacteria can be used as a bioweapon

eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella

genus Bacillus - type genus of the Bacillaceae; includes many saprophytes important in decay of organic matter and a number of parasites

choline - a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat

inositol - an optically inactive alcohol that is a component of the vitamin B complex

pantothen, pantothenic acid - a vitamin of the vitamin B complex that performs an important role in the oxidation of fats and carbohydrates and certain amino acids; occurs in many foods

water-soluble vitamin - any vitamin that is soluble in water

aneurin, antiberiberi factor, thiamin, thiamine, vitamin B1 - a B vitamin that prevents beriberi; maintains appetite and growth

antipernicious anemia factor, cobalamin, cyanocobalamin, vitamin B12 - a B vitamin that is used to treat pernicious anemia

hepatoflavin, lactoflavin, ovoflavin, riboflavin, vitamin B2, vitamin G - a B vitamin that prevents skin lesions and weight loss

adermin, pyridoxal, pyridoxamine, pyridoxine, vitamin B6 - a B vitamin that is essential for metabolism of amino acids and starch

folacin, folate, folic acid, pteroylglutamic acid, pteroylmonoglutamic acid, vitamin Bc, vitamin M - a B vitamin that is essential for cell growth and reproduction

niacin, nicotinic acid - a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract

biotin, vitamin H - a B vitamin that aids in body growth

chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

borax - an ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent

kernite - a light soft mineral consisting of hydrated sodium borate in crystalline form; an important source of boron

sound unit - any acoustic unit of measurement

atomic physics, nuclear physics, nucleonics - the branch of physics that studies the internal structure of atomic nuclei

area unit, square measure - a system of units used to measure areas

Latin alphabet, Roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe

alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"