- Comb-like respiratory structure serving as the gill of certain mollusks
Click or tap here to find out how this works
Tip: insert a question mark by pressing your spacebar.
Definitions for: ACTINIDE
- Any of a series of radioactive elements with atomic numbers 89 through 103
Tip: click or tap on an item to view its definition, and more!
- (v. t.) To point out; to discover; to direct to a knowledge of; to show; to make known.
- (v. t.) To show or manifest by symptoms; to point to as the proper remedies; as, great prostration of strength indicates the use of stimulants.
- (v. t.) To investigate the condition or power of, as of steam engine, by means of an indicator.