12-letter words starting with am
- ammonium ion — the ion NH4+, formed from ammonia and present in aqueous solutions of ammonia and in many salts
- amnioscopies — Plural form of amnioscopy.
- amniotic sac — membrane around embryo or foetus
- among others — used to indicate that there are several more people like the one or ones mentioned, but that you do not intend to mention them all
- amor patriae — love of one's country; patriotism
- amortisation — Alternative spelling of amortization.
- amortization — the process of amortizing a debt
- amortizement — a sloping top on a buttress, pillar, etc.
- amour-propre — self-respect
- amourousness — Rare spelling of amorousness.
- ampelography — the science concerned with the identification and classification of grapevines
- ampere's law — the law that a magnetic field induced by an electric current is, at any point, directly proportional to the product of the current intensity and the length of the current conductor, inversely proportional to the square of the distance between the point and the conductor, and perpendicular to the plane joining the point and the conductor.
- amperometric — relating to or involving the measurement of an electric current
- amphetamines — Plural form of amphetamine.
- amphibiology — The branch of science that deals with amphibious animals.
- amphibiously — In the manner of an amphibian.
- amphiblastic — (of animal ova) showing complete but unequal cleavage after fertilization
- amphibolitic — Of, pertaining to, or composed of an amphibolite.
- amphibrachic — Consisting of amphibrachs, metrical feet consisting of either a long syllable between two that are short, or an accented syllable between two that are not accented.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphicoelous — (of the vertebrae of most fishes and some amphibians) concave at the anterior and posterior ends
- amphictyonic — of or relating to an amphictyon or an amphictyony.
- amphidentate — (of a ligand) able to coordinate through either of two different atoms, as in CN–
- amphidiploid — a plant originating from hybridization between two species in which the chromosome number is the sum of the chromosome numbers of both parental species. It behaves as an independent species
- amphiregulin — (protein) A particular autocrine growth factor.
- amphistomous — (of certain animals, such as leeches) having a sucker at either end of the body
- amphitheater — An amphitheater is a large open area surrounded by rows of seats sloping upward. Amphitheaters were built mainly in Greek and Roman times for the performance of plays.
- amphitheatre — An amphitheatre is a large open area surrounded by rows of seats sloping upwards. Amphitheatres were built mainly in Greek and Roman times for the performance of plays.
- amphithecium — the outer layer of cells of the sporophyte of mosses and liverworts that develops into the outer parts of the spore-bearing capsule
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- ampullaceous — shaped like an ampulla or a bladder
- amundsen sea — a part of the South Pacific Ocean, in Antarctica off Byrd Land
- amuse-bouche — an appetizer before a meal
- amuse-gueule — amuse-bouche.
- amygdaliform — almond-shaped.
- amygdaloidal — (of a volcanic rock) containing amygdales
- amygdalotomy — (surgery) Surgical removal of the amygdala.
- amyl acetate — banana oil
- amyl alcohol — a colourless flammable liquid existing in eight isomeric forms that is used as a solvent and in the manufacture of organic compounds and pharmaceuticals. Formula: C5H11OH
- amyl nitrite — a yellowish unstable volatile fragrant liquid used in medicine as a vasodilator and in perfumes. Formula: (CH3)2CHCH2CH2NO2
- amyl sulfide — a yellow liquid consisting of a mixture of isomers having the formula (C 5 H 11) 2 S, used chiefly in the preparation of organic sulfur compounds.