The universal emergence of atomic hydrogen first occurred during the recombination epoch. At standard temperature and pressure, hydrogen is a colorless, odorless, tasteless, non-toxic, nonmetallic, highly combustible diatomic gas with the molecular formula H 2.
LINK / CITE ADD TO WORD LIST. verb. An eye with a dilated pupil. An eye with a dilated pupil. To dilate is defined as to expand and become wider. An example of dilate is when your eyes become wide with excitement.INK / CITE ADD TO WORD LIST. verb. An eye with a dilated pupil. An eye with a dilated pupil. To dilate is defined as to expand and become wider. An example of dilate is when your eyes become wide with excitement.
Definition of FRACTIONATE. transitive verb. 1. : to separate (as a mixture) into different portions especially by a fractional process.2. : to divide or break up. â fracÂ·tionÂ·ation \Ëfrak-shÉ-ËnÄ-shÉn\ noun. â fracÂ·tionÂ·ator \Ëfrak-shÉ-ËnÄ-tÉr\ noun.efinition of FRACTIONATE. transitive verb. 1. : to separate (as a mixture) into different portions especially by a fractional process. 2. : to divide or break up.