Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

cistron

play
noun cis·tron \ˈsis-ˌträn\

Definition of cistron

  1. :  a segment of DNA that is equivalent to a gene and that specifies a single functional unit (as a protein or enzyme)

cistronic play \sis-ˈträ-nik\ adjective


Origin of cistron

cis- + trans- + 2-on


First Known Use: 1957

Rhymes with cistron

aeon, add-on, agon, agone, Akan, Ambon, Amman, anon, Anshan, archon, argon, Argonne, atman, axon, bank on, barchan, baton, big on, Bion, blouson, bon ton, bonbon, boron, boson, bouillon, bring on, build on, bygone, caisson, call on, canton, capon, cast on, catch on, Ceylon, chaconne, Charon, chew on, chiffon, chiton, chrismon, Cimon, clip-on, codon, come-on, cordon, coupon, crampon, crayon, crepon, cretonne, crouton, Dacron, dead-on, Dear John, doggone, Dogon, Don Juan, exon, fall on, flacon, foregone, form on, Freon, fronton, futon, Garonne, get on, Gibran, gluon, gnomon, go on, guidon, hadron, Hainan, hand on, hands-on, hang on, have on, hazan, head-on, Henan, hereon, high on, hit on, hogan, hold on, Huainan, icon, intron, ion, jargon, Jinan, jomon, kanban, kaon, Kashan, keen on, Khoisan, Kirman, koan, krypton, kurgan, Kurgan, lauan, lepton, let on, lock on, log on, look on, Luzon, macron, Masan, Medan, Memnon, meson, micron, Milan, mod con, moron, mouton, Multan, muon, natron, nekton, neon, nephron, neuron, neutron, ninon, Nippon, nylon, odds-on, Oman, Oran, Orlon, paeon, parton, Pathan, pavane, pecan, peon, Phaëthon, photon, phyton, pick on, pion, piton, plankton, pluton, pompon, prion, proton, Pusan, push on, put-on, pylon, python, racon, radon, rag on, rayon, recon, rhyton, run-on, run on, Saint John, Saipan, salon, San Juan, Schliemann, Schumann, Shaban, shaman, shaitan, Shingon, sign on, sit on, slip-on, snap-on, solon, Solon, soupçon, soutane, stand on, stolon, stuck on, Suwon, sweet on, Taiwan, taipan, take on, tampon, taxon, Teflon, Tehran, teston, thereon, Tian Shan, tisane, torchon, toucan, toyon, trade on, trigon, Tristan, triton, trogon, try on, Tucson, turned-on, turn on, Typhon, tzigane, uhlan, Ulsan, upon, wait on, walk-on, witan, whereon, Wonsan, wonton, work on, Wuhan, xenon, Xi'an, Yukon, Yunnan, zircon


Medical Dictionary

cistron

play
noun cis·tron \ˈsis-ˌträn\

Medical Definition of cistron

  1. :  a segment of DNA that is equivalent to a gene and that specifies a single functional unit (as a protein or enzyme)

cistronic \sis-ˈträn-ik\play adjective



Learn More about cistron


Seen and Heard

What made you want to look up cistron? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

tending to dismiss important matters

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

soothe reduce disapprove perplex
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ