Browse Dictionary by Letter

Comprehensive
Dictionary Suite
Help
Help
Help
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z
amidships in or toward the middle of a ship or aircraft. [2 definitions]
amidst in the middle of; among; amid.
amigo a friend.
-amine containing the amino group, which has one atom of nitrogen and two of hydrogen.
amine any of a group of ammonia derivatives in which hydrogen atoms have been replaced by organic groups containing hydrogen and carbon.
amino of, relating to, or containing an amine or other chemical substance formed by anitrogen-hydrogen group in combination with nonacidic organic compounds.
amino acid any of the organic acids necessary to build proteins and sustain life, some of which cannot be synthesized in the body and so must be consumed in the diet.
amir a variant of emir.
Amish a Christian sect that separated from the Mennonites in the seventeenth century, the members of which advocate simple living and now live mostly in farming areas of the northeastern United States. [3 definitions]
amiss out of the proper course or order; wrongly; mistakenly. [2 definitions]
amitosis direct cell division in which the nucleus divides without the formation of chromosomes. (Cf. mitosis.)
amity friendly and peaceful relations.
Amman the capital of Jordan.
ammeter an instrument that measures the magnitude of an electrical current in amperes.
ammo (informal) ammunition.
Ammon the Greek and Roman name for Amen or Amen-Re, the ancient Egyptian god of life, often identified with Zeus and Jupiter.
ammonia the pungent gas formed from the chemical combination of nitrogen and hydrogen, used esp. in refrigeration and in making fertilizers. [2 definitions]
ammoniac a sharp-smelling gum resin from the stem of an Asian plant, used in perfumes and porcelain cements; gum ammoniac. [2 definitions]
ammoniate to treat, combine, or mix with ammonia. [2 definitions]
ammonification infusion with ammonia or an ammonium compound, as in the production of fertilizer. [2 definitions]
ammonite1 any of various coiled, flat, chambered fossil shells of extinct cephalopod mollusks from the Mesozoic era.