chalcogen
/ˈkalkədʒ(ə)n/(also chalkogen) Chemistry
noun
Any of the elements in group 16 (group VI a) of the periodic table, comprising oxygen, sulphur, selenium, tellurium, and polonium.
- The short-lived synthetic element 116 is sometimes also included..
Origin
1940s. From chalco- + -gen, after halogen. Compare earlier chalcogenide.
- have someone's number
- have someone's number on it
- have someone/thing by the balls
- have someone/thing in mind
- have someone up
- have-something
- have something against someone
- have something at one's feet
- have something coming out of one's ears
- have something in common
- have something off (or down) pat
- have something on good authority
- have something on one's side (or something is on one's side)
- have something (or nothing) to show for
- have something out
- have something to burn
- have something to offer
- have something to one's credit
- have something to say for oneself
- have stars in one's eyes
- have steam coming out of one's ears
- have swallowed a dictionary
- have the advantage of
- have the better of
- have the courage of one's convictions