21-letter words starting with hy
- hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
- hyperbolic paraboloid — a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.
- hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
- hyperkinetic disorder — another name for attention deficit hyperactivity disorder (ADHD)
- hyperlipoproteinaemia — the condition of having an abnormally high level of lipoproteins in the blood
- hypogammaglobulinemia — A type of immune disorder characterised by a reduction in all types of gamma globulins.
- hypothetico-deductive — pertaining to or governed by the supposed method of scientific progress whereby a general hypothesis is tested by deducing predictions that may be experimentally tested. When such a prediction is falsified the theory is rejected and a new hypothesis is required
- hysterosalpingography — (medicine) X-ray examination of the uterus and oviducts following injection of a radiopaque substance.
On this page, we collect all 21-letter words starting with HY. It’s easy to find right word with a certain length. It is the easiest way to find 21-letter word that beginning with HY to use in Scrabble or Crossword puzzles.