| A | B |
| macro | large, long |
| micro | small, minute |
| macrocosm | great world; universe (n.) |
| macron | horizontal mark indicating that the vowel over which it is placed is long (n) |
| macroscopic | large enough to be visible to the naked eye (adj.) |
| microbe | microscopic living animal or plant; microorganism (n.) |
| microbicide | agent that destroys microbes (n.) |
| microdont | having small teeth (adj.) |
| microfilm | film of very small size (n.) |
| microgram | millionth of a gram (n.) |
| micrometer | millionth of a meter (n.) |
| microorganism | microscopic living animal or plant (n.) |
| microsecond | millionth of a second |
| microsurgery | surgery with the aid of microscopes and minute instruments or laser beams (n.) |
| microvolt | millionth of a volt (n.) |
| microwatt | millionth of a watt (n.) |
| microwave | very short electromagnetic wave; microwave oven (n.) |
| a (an) | not , without |
| amoral | not moral; without a sense of moral responsiblity (adj.) |
| amorphous | withoug (having no) definite from or shpae (adj.) |
| anarchy | total absence of rule or gov't; confusion; disorder; (n.) |
| anemia | lack of a normal number of red blood cells (n.) |
| anesthesia | loss of felling or sensation resulting from ether, chloroform, novocaine, etc. (n.) |
| anesthetic | drug that produces anaesthesia |
| anhydrous | without wawter (adj.) |
| anomalous | not normal; abnormla (adj.) |
| anomaly | deviation from the common rule (n.) |
| anonymous | nameless; of unknown or unnamed origin |
| anoxia | deprivation of oxygen (n.) |
| apnea | temporary cessation of breathing (n.) |
| aseptic | free from disease-causing microorganisms |
| asymptomatic | showing no symptoms of disease (adj.) |
| atheism | godlessness; denial of the existence of a Supreme Being (n.) |
| atrophy | lack of growth from disuse or want of nourishment (n.) |
| atypical | unlike the typical |
| monarchy | rule by a single person (n.) |
| monochromatic | of one color (adj.) |
| monocle | eyeglass for one eye |
| monogamy | marriage with one mate at a time (n.) |
| monogram | two or more letters interwoven to represent a name (n.) |
| monograph | written account of a single thing or class of things(n.) |
| monolith | single stone of large size (n.) |
| monolog (ue) | long speech by one person in a group |
| monomania | excessive concentration on one idea or subject |
| monomorphic | having a single form (adj.) |
| monosyllabic | having one syllable(adj.) |
| monotheism | belief that there is one God (n.) |
| monotonous | continuing in an unchanging tone; wearying (adj.) |
| polyarchy | rule by many (n,) |
| polychromatic | having a variety of colors; multicolored |
| polygamy | marriage to everal mates at the same time (n.) |
| polyglot | speaking of several languages (adj.) |
| polyglot | person who speaks several languages (n.) |
| polygon | closed plane figure having, literally, "many angles" and therefore many sides |
| polymorphic | having various forms (adj.) |
| polyphonic | having many sounds or voices (adj.) |
| polysyllabic | having more than three syllables (adj.) |
| polytechnic | dealing with many technical arts or sciences (adj.) |
| polytheism | belief that there is a plurality of gods (n.) |