mar·ten·site 
(märtn-zīt′)
(märtn-zīt′)n.
A solid solution of iron and up to one percent of carbon, the chief constituent of hardened carbon tool steels.
[After Adolf Martens (1850-1914), German metallurgist.]
mar′ten·sitic (-zĭtĭk) adj.
- Nearctic
- near-Earth asteroid
- near-Earth comet
- near-Earth object
- Near East
- Near Eastern
- Near Easterner
- near gale
- near-infrared radiation
- Near Islands
- nearly
- near miss
- nearness
- near point
- near-red radiation
- near rhyme
- nearshore
- nearsighted
- nearsightedly
- nearsightedness
- near-term
- near thing
- near to heart
- near to one's heart
- neat