21-letter words starting with at
- at a/o's low(est) ebb — If someone or something is at a low ebb or at their lowest ebb, they are not being very successful or profitable.
- at the end of the day — You say at the end of the day when you are talking about what happens after a long series of events or what appears to be the case after you have considered the relevant facts.
- athenaeus of attaleia — Greek physician in Rome, fl. a.d. c40–65.
- atmospheric inversion — inversion (def 12).
- atmospheric-inversion — an act or instance of inverting.
- atomic disintegration — a process resulting in the change of a radioactive nucleus, either by emission of an alpha, beta, or gamma ray or by fission, and producing a change in the original mass, atomic number, or energy
- atomic unit of length — (in the Bohr atom) the radius of the electron orbit having the lowest energy.
- atrioventricular node — a small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node by way of the atrioventricular bundles and, under certain conditions, functioning for the sinoatrial node as pacemaker of the heart. Abbreviation: A-V node.
On this page, we collect all 21-letter words starting with AT. It’s easy to find right word with a certain length. It is the easiest way to find 21-letter word that beginning with AT to use in Scrabble or Crossword puzzles.