noun. a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite.
- metallic element
- atomic number 62
noun. a master's degree in science.
- master's degree
- Master of Science
Example sentences of the word sm
Legend CO - cast on k - knit sl - slip yo - yarn-over pm - place marker sm - slip marker
2. Noun, singular or mass
sm as in small