| amidol |
a colorless crystalline substance used in developing photographs. |
| 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any of a group of ammonia derivatives in which hydrogen atoms have been replaced by organic groups containing hydrogen and carbon.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. |
| aminoglycoside |
any of a group of antibiotics, such as streptomycin, that is used to treat bacterial infections. |
| 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.) |
| amitriptyline |
a tricyclic antidepressant drug used to treat depression, attention deficit hyperactivity disorder (ADHD), and other mental disorders. |
| amity |
friendly and peaceful relations; good will. |
| 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] |