sg

1. Grammar. singular.

Symbol, Chemistry, Physics.

1. seaborgium.

1. senior grade.
2. Secretary General.
3. Solicitor General.
4. Surgeon General.

1. Physics. specific gravity.

abbreviation for

1. specific gravity

the internet domain name for

1. Singapore

abbreviation for

1. (in transformational grammar) singular
2. solicitor general

abbr.

1. specific gravity

1. The symbol for seaborgium.

Sg

1. A synthetic, radioactive element that is produced by bombarding californium with oxygen ions or bombarding lead with chromium ions. Its most long-lived isotopes have mass numbers 259, 261, 263, 265, and 266 with half-lives of 0.9, 0.23, 0.8, 16, and 20 seconds, respectively. Atomic number 106. See Periodic Table.