| IS | (biology) similarity or identity of form or shape or structure |
|---|---|
| IS | antibacterial drug (trade name Nydrazid) used to treat tuberculosis |
| IS | a line drawn on a map connecting points having the same numerical value of some variable |
| IS | any of various small terrestrial or aquatic crustaceans with seven pairs of legs adapted for crawling |
| IS | woodlice |
| IS | alcohol used as antifreeze or a solvent |
| IS | alcohol used as antifreeze or a solvent |
| IS | drug (trade name Isuprel) used to treat bronchial asthma and to stimulate the heart |
| IS | order of social insects that live in colonies, including: termites |
| IS | relating to or characteristic of insects of the order Isoptera |
| IS | a drug (trade names Calan and Isoptin) used as an oral or parenteral calcium blocker in cases of hypertension or congestive heart failure or angina or migraine |
| IS | tufted perennial herbs of northern hemisphere |