Root Word Dictionary I–K

A service of Macroevolution.net

Edited by Eugene M. McCarthy, PhD      

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Root Word Dictionary is the most comprehensive online dictionary providing meanings for the Greek and Latin root words used in constructing biological and medical terminology. It defines more biomedical roots than any other online source. For more details about how to use this dictionary, click here.

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Prefixes:      A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z 
Suffixes:      A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z 
Roots:          A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z 
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       Greek Roots:
 Latin Roots:
     

   iasis — Infection.

   iatros — Physician.

   ichnos — Track, trace, footprint.

   ichthys — Fish.

   icterosJaundice.

   idios — Individual.

   idros — Sweat.

   ilos — Whole.

   iris, irid- — Iris.

   ischein — To restrain.

   ischion — Hip.

   isos — Equal.

   istos — Tissue.


   Note: — The letter K in a Greek root is often replaced by the
   letter C in modern English words derived from that root.

   kakos — Bad, evil, pernicious.

   kalos — Beautiful.

   karkinoma — Cancer.

   karkinomata — Cancers.

   karpos — Fruit, wrist.

   karya — Nut, kernel.

   kata — Down.

   keleTumor, hernia.

   kentesis — Puncture.

   kephale — Head.

   keras — Horn.

   kerkos — Tail.

   kinesis — Motion, movement.

   kleis — Key.

   kleistos — Closed.

   kline — Bed.

   kneme — Shin.

   knide — Nettle, sea nettle.

   koilia — Belly.

   koilos — Hollow.

   koleos — Sheath.

   kolonColon.

   kolposVagina.

   kolyo — To hinder, prevent.

   kome — Hair.

   konios — Dusty.

   konis — Dust.

   kopros — Excrement.

   kore — Pupil.

   krinein — To secrete.

   kryos — Freezing cold.

   kryptos — Hidden, secret.

   kyanos — Dark blue, lapis lazuli.

   kyesis — Conception, pregnancy.

   kyklos — Circle.

   kyon — Dog.

   kyphos — Bent forwards, hunchbacked, stooping.

   kystis — Bladder, sac.

   kytos — Hollow vessel.

   ignis, ignis — Fire.

   imber, imbris — Rain.

   immunis — Exempt, immune.

   incola, incolae — Resident.

   infra — Below, lower than, further along; to the south.

   inter — Between, among, during.

   intra, intro- — Within, inside, during, under.


   jejunus, jejuna ejunum — Fasting, hungry.

   juba, jubae — Mane, crest (of a helmet).

   jugulus, juguli — Throat, neck; collarbone.

   jugum, jugi — Yoke.

   juvenis, juvenis — Youth; young man or woman.

   juxta — Near, next to.





   Note: — The letter K was very rarely used in Latin.



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