| 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) |