Word Study
ultraviolet radiation |
ultraviolet ray |
ultraviolet source |
ultraviolet spectrum |
ultrazodiacal |
ultroneous
| ulugh muz tagh
| ulugh muztagh
| ulula
| ululant
| ululate
ultroneous
CIDE DICTIONARY
ultroneous, a. [L. ultroneus, from ultro to the further side, on his part, of one's own accord. See Ultra-.].
Spontaneous; voluntary. [1913 Webster]
For further exploring for "ultroneous" in Webster Dictionary Online