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.
Medical Dictionary. cleft palate. noun. Medical Definition of cleft palate. : congenital fissure of the roof of the mouth produced by failure of the two maxillae to unite during embryonic development and often associated with cleft lipâcalled also palatoschisis.