| Term | Definition |
| eulogize | write or speak in praise of someone |
| euphemism | substitution of a "good" expression for a unpleasant one |
| euphonious | pleasing in sound |
| euphoria | sense of well being |
| eureka | used to express triumph upon finding or discovering something |
| monosyllable | word or an utterance of one syllable |
| monograph | written account of a single thing or class of things |
| monolith | single stone of a large size |
| monomania | derangement of mind on one subject only |
| amorphous | without definite form or shape |
| anhydrous | without water |
| anomaly | deviation from the common rule |
| microbicide | agent that destroys microbes |
| atrophy | lack of growth from disuse of want of nourishment |
| asceptic | free from disease causing microorganisms |
| microcosm | little world |
| micrometer | instrunment for measuring very short distances |
| microscopic | invisible to the naked eye |
| microfilm | film of very small size |