| Term | Definition |
| antipodes | parts of the globe diametrically opposite |
| arthropod | any invertebrate with jointed legs |
| chiropodist | treats ailments of the foot |
| dipody | verse consisting of two feet, a dimeter |
| podiatrist | another word for chiropodist |
| podium | raised platform |
| pseudopod | temporary extension of the protoplasm, to enable organism to move and take in food |
| tripod | utensil, stool, or caldron having three legs |
| unipod | one-legged support |
| homochromatic | having the same color |
| heterochromatic | having different colors |
| homogeneous | of the same kind; similar |
| heterogeneous | differing in kind; dissimilar |
| homology | fundamental similarity of structure |
| heterology | lack of correspondence between parts |
| homomorphic | exhibiting similarity of form |
| heteromorphic | exhibiting diversity in form |
| homonym | word that sounds like another but differs in meaning and spelling |
| heteronym | word spelled like another but differing in sound and meaning |
| homocentric | having the same center |
| homophonic | having the same sound |
| heteroclite | deviating from the common rule;abnormal |
| heterodox | opposed to accepted beliefs or established doctrines; unorthodox |
| hyperacidity | excessive acidity |
| hypoacidity | weak acidity |
| hyperglycemia | excess of sugar in the blood |
| hypoglycemia | abnormally low level of sugar in the blood |
| hypertension | abnormally high blood pressure |
| hypotension | low blood pressure |
| hyperthermia | especially high fever; hyperpyrexia |
| hypothermia | subnormal body temperature |
| hyperthyroid | marked by excessive activity of the thyroid gland |
| hypothyroid | marked by deficient activity of the thyroid gland |
| hyperactive | overactive |
| hyperbole | extravagant exaggeration of statement |
| hypercritical | overcritical |
| hyperemia | superabundance of blood |
| hyperopia | farsightedness |
| hypersensitive | excessively sensitive |
| hypertrophy | enlargement of a body part or organ, as from excessive use |
| hypodermic | injected under the skin |
| hypothesis | theory or supposition assumed as a basis for reasoning |
| hypothetical | assumed without proof for the purpose of reasoning |
| endocrine | secreting internally |
| exocrine | secreting externally |
| endogamy | marriage within the tribe, caste, or social group |
| exogamy | marriage outside the tribe, caste, or social group |
| endogenous | produced from within; due to internal causes |
| exogenous | produced from without; due to external causes |
| endoskeleton | internal skeleton or supporting framework in an animal |
| exoskeleton | hard protecting structure developed outside the body |
| endosmosis | osmosis inward |
| exosmosis | osmosis outward |
| endocarditis | inflammation of the lining of the heart |
| endoderm | membranelike tissue lining the digestive tract |
| endoparasite | parasite living in the internal organs of an animal |
| endophyte | plant growing within another plant |
| exoteric | external; exterior; readily understandable |
| exotic | introduced from a foreign country, not native |
| anarchy | total absense of rule or government; confusion; disorder |
| autarchy | rule by an absolute sovereign |
| hierarchy | body of rulers or officials grouped in ranks |
| matriarchy | form of social organization in which the mother rules the family or tribe |
| monarchy | state ruled over by a single person, as a king or queen |
| oligarchy | form of government in which a few people have the power |
| patriarchy | form of social organization in which the father rules the family or tribe |
| geocentric | measured from the earth's center; having the earth as a center |
| geodetic | pertaining to geodesy( earth's shape and dimensions) |
| geography | study of the earth's surface, climate, continents, etc. |
| geology | science dealing with the earth's history as recorded in rocks |
| geometry | mathematics dealing with lines, angles, surfaces, and solids |
| geomorphic | pertaining to the shape of the earth or the form of its surface |
| geophysics | science treating of the forces that modify the earth |
| geopolitics | study of government and its policies as affected by physical geography |
| geoponics | art or science of agriculture |
| georgic(adj) | agricultural |
| georgic(n) | poem of husbandry(farming)` |
| geotropism | response to earth's gravity, as the growing of roots downward in the ground |
| apogee | farthest point from the earth in the orbit of a satellite |
| perigee | nearest point to the earth in the orbit of a satellite |
| antipathy | aversion; dislike |
| apathy | lack of feeling, emotion, interest, or excitement |
| empathy | the complete understanding of another's feelings |
| pathetic | arousing pity |
| pathos | quality in drama, speech, literature, music, or events that arouses a feeling of pity or sadness |
| sympathy | a sharing of another's trouble; compassion |
| telepathy | transference of the thoughts and feelings of one person to another by no apparent means of communication |
| homeopathy | system of medical practice that treats disease by administering minute doses of a remedy which, if given to healthy persons, would produce symptoms of the disease treated |
| osteopath | practitioner of the treatment of diseases by manipulation of the bones, muscles, nerves, etc. |
| pathogenic | causing disease |
| pathological | due to disease |
| psychopathic | pertaining to mental disease; insane |
| amorphous | without definite form; shapeless |
| anthropomorphic | attributing human form or characteristics to beings not human, especially gods |
| dimorphous | occuring under two distinct forms |
| endomorphic | occuring within; internal |
| heteromorphic | exhibiting diversity of form |
| metamorphosis | change of form |
| monomorphic | having a single form |
| morphology | branch of biology dealing with form and structure of animals and plants; form and structure of an organism or any of its parts |
| pericardium | membranous sac enclosing the heart |
| perihelion | nearest point to the sun in the orbit of a planet or comet |
| perimeter | the whole outer boundary or measurement of a surface or figure |
| periodontics | branch of dentistry dealing with diseases of the bone and gum tissues supporting the teeth |
| peripheral | 1. outside or away from the central part 2. only slightly connected with what is essential |
| periphrastic | expressed in a roundabout way |
| periscope | instrument permitting those in a submarine a view of the surface |
| peristalsis | wavelike contration of the walls of the intestines which propels contents onward |
| peristyle | row of columns around a building or court; the space so enclosed |
| peritonitis | inflammation of the membrane lining the abdominal cavity and covering the organs |