A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe.

synoniemen: atomic number 1, hydrogen.

Nederlands: hydrogeen, hydrogenium, waterstof
Pools: H, wodór

A unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second.

synoniem: henry.

Nederlands: henry
Pools: H, henr

The constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second.

synoniem: Planck's constant.

The 8th letter of the Roman alphabet.

thermodynamics A thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure:
— Enthalpy is the amount of energy in a system capable of doing mechanical work.

synoniemen: enthalpy, heat content, total heat.

Nederlands: enthalpie
Pools: entalpia

A very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas).

synoniemen: atomic number 2, helium.

Nederlands: helium, zonnegas
Pools: He, hel

The 5th letter of the Hebrew alphabet.

Roget 373: man, male, he, him; manhood etc. (adolescence) 131; gentleman, sir, master; sahib; yeoman, wight^†, swain, fellow, blade, beau, elf, chap, gaffer, good man; husband etc. (married man) 903; Mr.   , mister; boy etc. (youth) 129.    [Male animal] cock, drake, gander, dog, boar, stag, hart, buck, horse, entire horse, stallion; gibcat^†, tomcat; he goat, Billy goat; ram, tup; bull, bullock; capon, ox, gelding, steer, stot^†.    androgen.    homosexual, gay, queen [Slang].    ... meer laten zien

Nederlands: hij