Associations to the word «Boron»

BORON, noun. The chemical element (symbol B) with an atomic number of 5; a metalloid

BORON ARSENIDE, noun. (inorganic compound) A binary compound of boron and arsenic, BAs, used as a semiconductor, sometimes alloyed with gallium arsenide.

BORON CARBIDE, noun. (inorganic compound) A binary compound of boron and carbon, B4C, that is a very hard ceramic, and is used in tank armour, bulletproof vests etc.

BORON DEFICIENCY, noun. (medicine) any pathological effect in animals and humans due to a deficiency of boron in the diet

BORON DEFICIENCY, noun. Any of a number of disorders in plants that grow on granite, or other places deficient in boron

BORON GROUP, noun. (chemistry) a vertical series of elements in the periodic table that have three valence electrons; boron is a metalloid, while aluminium, gallium, indium and thallium are metals

BORON NITRIDE, noun. (inorganic compound) A binary compound of boron and nitrogen, of empirical formula BN; exists in forms analagous to the allotropes of carbon, many of which are inorganic polymers.

BORON OXIDE, noun. (inorganic compound) The compound boron trioxide.

BORON PHOSPHATE, noun. (inorganic compound) An inorganic polymer, of empirical formula BPO4, used as a phosphor and a source of dietary boron.

BORON TREE, noun. (mathematics) a binary tree

BORON TRIBROMIDE, noun. (inorganic compound) A binary compound of boron and bromine, BBr3; it is a strong Lewis acid.

BORON TRICHLORIDE, noun. (inorganic compound) A binary compound of boron and chlorine, BCl3; it is used in metal refining.

BORON TRIFLUORIDE, noun. (inorganic compound) A binary compound of boron and fluorine, BF3; it is a strong Lewis acid.

BORON TRIIODIDE, noun. (inorganic compound) A binary compound of boron and iodine, BI3; it is a crystalline solid.

BORON TRIOXIDE, noun. (inorganic compound) A white solid, of empirical formula B2O3, that is an inorganic polymer, and is used in making glass and enamel and for synthesizing other boron compounds.

BORON, noun. A trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder.