Words that rhyme with aitch

n 1: a piece of metal covered by leather with a flexible handle; used for hitting people [syn: blackjack, cosh, sap] v 1: hit with a cosh, usually on the head

n 1: (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic); [syn: pH, pH scale]

n 1: 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 [syn: hydrogen, H, atomic number 1] 2: 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 [syn: henry, H] 3: the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule- second [syn: Planck's constant, h] 4: the 8th letter of the Roman alphabet [syn: H, h] 5: (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" [syn: heat content, total heat, enthalpy, H]

n 1: a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia [syn: rhesus factor, Rh factor, Rh] 2: a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum [syn: rhodium, Rh, atomic number 45] 3: any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each of these hormones causes the anterior pituitary to secrete a specific hormone [syn: releasing hormone, RH, releasing factor, hypothalamic releasing hormone, hypothalamic releasing factor]

n 1: the fifth day of the week; the fourth working day [syn: Thursday, Th] 2: a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands [syn: thorium, Th, atomic number 90]

n 1: the ratio of the distance traveled (in miles) to the time spent traveling (in hours) [syn: miles per hour, mph] 2: a speedometer reading for the momentary rate of travel [syn: miles per hour, mph]