| A | B |
| century | one hundred years |
| demigod | a male being, often the offspring of a deity (god) and mortal |
| equinox | either of two times in the year when day and night are equal in length |
| hemihydrate | a solid containing water in which the molecular ratio of water to anhydrous compound is 1:2 |
| kilogram | the base unit in mass; equal to 1000 grams |
| millipede | an insect with supposedly 1000 legs |
| multiply | to increase the amount; to grow in number |
| ominiscient | having total knowledge; knowing everything |
| semicircle | half a circle |
| solitary | existing, living, going without others |
| multilingual | many languages; knowing or using several languages |
| equilateral | equal sides |
| soliloquy | the act of talking to oneself |
| millennium | 1000 years |
| omnidirectional | concerning all directions |
| equivalent | equal |
| multitude | a group of many things |
| semisweet | partially sweet |
| solidarity | togetherness |
| hemistich | half of a line of verse |
| milliliter | 1000th of a liter |
| kiloton | an explosive unit equal to 1000 tons of TNT |
| centigrade | having a scale of 100 degrees |
| demirelief | figures in a sculpture which project halfway out from the background |
| milliary | equal to a Roman mile; 1000 paces |
| omnibus | a list of all an author's writings |
| equipollent | equal in force or power |
| demirep | someone of doubtful reputation |
| hemialgia | pain afflicting half the body |
| centipede | arthropod with 100 feet |
| solely | alone, singly |
| semi-independent | partially independent |
| multitudinous | having many parts; existing in great numbers |
| kilocuries | 1000 curies (radioactivity unit) |