Root Meaning Examples

a-, an- without abiotic, anaerobic, asymmetry, atrophy

ab-, abs-, ap- away abduction, aberration, abscission, apogee

acro-, apic- tip (summit) acrosome, acrophobia, apical dominance

agon- contest agonistic behaviors

allo- different allosteric inhibitor

ambi- on both sides ambidextrous, ambivalent

amphi- both amphibian, amphipathic

ana- up anabolic

andro- male androgen, android

angio- vessel angiotensin, angiogenesis

ante- before anterior, anteroom

anth- flower anther

anthrop- man anthropology, anthropomorphic

anti- against antibody, antigen

apo- away from apogee,

arch-, archeo - ancient Archaeopteryx, archenteron, archaeology

arthro- joint arthritis, arthropod

astro- star astrocyte

auto - self autogenous, automatic, autonomic

aux- grow auxin, auxotroph

bentho- bottom benthic zone, benthomacroinvertebrate

bi- two bilateral, bipinnate, bivalve

bio- life biogeography, biology

-blast, blasto- embyronic layer blastopore, trophoblast

brachio- arm brachial artery, brachiosaurus

brady- slow bradycardia

bryo- moss bryophyte

caps- box capsid

cardi- heart cardiac arrest, pericardial sac, cardiovascular

-carp fruit pericarp

cata- downward catabolic

cephalo- head cephalic, cephalothorax

chloro- green chlorophyll

chondro- cartilage chondrichtyes, chondrocytes

chrom-, -chrome color chromatin, chromosome

-cide kill herbicide, insecticide, pesticide