| macroclimate |
the climate of a very large region such as a nation. |
| macrocosm |
the universe in its entirety. (Cf. microcosm.) [3 definitions] |
| macroeconomics |
(used with a sing. verb) the study of a nation's economy as a whole and of the interrelationships of its various sectors and components. (Cf. microeconomics.) |
| macroinstruction |
see "macro." |
| macromolecule |
a very large molecule, such as a polymer or protein molecule, composed of hundreds or thousands of atoms. |
| macron |
a diacritical mark ( - ), placed over a vowel to indicate that the vowel is long. |
| macrophage |
a white blood cell that engulfs and digests microbes, cancer cells, and foreign substances. |
| macroscopic |
large enough to be seen by the unaided human eye. (Cf. microscopic.) [2 definitions] |
| macula |
a stain, discoloration, spot, or blotch, esp. on the skin. |
| macula lutea |
an area close to the center of the retina of the eye where vision is sharpest. |
| macumba |
a Brazilian religious cult that combines sorcery and the use of fetishes with elements of Christianity. |
| mad |
not of sound mind; temporarily deranged; insane, irrational, or maddened. [6 definitions] |
| Madagascar |
an island country in the Indian Ocean east of Mozambique. |
| madam |
(sometimes cap.) a woman, addressed politely or courteously. [2 definitions] |
| madame |
a married woman, addressed formally or courteously. (abbr.: Mme.) |
| mad as a hatter |
wildly impulsive or completely crazy. |
| madcap |
wild or reckless. [2 definitions] |
| mad cow disease |
a fatal disease that affects the nervous system of cattle; bovine spongiform encephalopathy. |
| madden |
to enrage or inflame. [3 definitions] |
| madder1 |
any of a number of perennial plants that bear yellow flowers and have a root that yields a red dye. [2 definitions] |
| madder2 |
comparative of "mad." |