sec

noun3

1. •
   (informal) Second, ¹⁄₆₀ of a minute.
2. •
   (informal) a short form of "second", used in speech to mean a very short time

   • Wait a sec!
3. •
   (informal) Clipping of secretary.

noun6

1. •
   Abbreviation of second.
2. •
   Abbreviation of secretary.
3. •
   Abbreviation of section.
4. •
   Abbreviation of security.
5. •
   Abbreviation of securities.
6. •
   Abbreviation of section.

preposition1

1. •
   Abbreviation of secundum.

noun2

1. •
   Initialism of size-exclusion chromatography.
2. •
   Initialism of scavenger endothelial cell.