English dictionary
tm meaning and definition
Definition and meaning of tm at MeaningMonkey.org. tm meaning and definition in the English Dictionary.TM noun
Definition of Tm (noun)
- a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
- synonyms: atomic number 69, thulium
Source: Princeton University Wordnet