Tm


Symbol, Chemistry.

Definition for tm (2 of 3)

Definition for tm (3 of 3)

t.m.

true mean.

Example sentences from the Web for tm

British Dictionary definitions for tm (1 of 3)

tm

the internet domain name for

Turkmenistan

British Dictionary definitions for tm (2 of 3)

Tm

the chemical symbol for

thulium

British Dictionary definitions for tm (3 of 3)

TM

abbreviation for

transcendental meditation
Turkmenistan (international car registration)

Medical definitions for tm

tm

abbr.

temperature midpoint (on the Celsius scale)

Scientific definitions for tm (1 of 2)

Tm

The symbol for thulium.

Scientific definitions for tm (2 of 2)

thulium
[ thōōlē-əm ]

Tm

A soft, silver-gray metallic element of the lanthanide series. One of its artificial radioactive isotopes is used as a radiation source in small, portable x-ray machines. Atomic number 69; atomic weight 168.934; melting point 1,545°C; boiling point 1,727°C; specific gravity 9.3; valence 2, 3. See Periodic Table.