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.
What is the medical term meaning dilation of the kidneys? Hydronephrosis. A related term meaning dilatation of the renal pelvis to a lesser degree is pyelectasis, both are the result of an obstruction of the kidneys and/or the uretâ¦er, such as congenital stenosis, a calculus or stone, etc. Pyelocaliectasis is dilation of the renal pelvis and calyx.