| A | B |
| Hypnosis | sleep- like state controlled by a hypnotizer |
| hypnotize | put into a hypnotic sleep or trance |
| hypnology | study of sleep |
| hypnotherapy | treatment of disease by hypnosis |
| hypnophobia | fear of sleep |
| Hypnos | god of sleep in Greek mythology; Somnus |
| lithograph | picture drawn on stone so the stone can "draw a picture" |
| monolith | lone stone |
| megalith | large stone |
| lithology | study of rocks or stone |
| lithosphere | the rocky crust of the earth |
| lithic | made of or pertaining to stone |
| eolithic | earliest stone age |
| paleolithic | ancient stone age after the eolithic period |
| neolithic | new or late stone age |
| dormant | sleeping |
| dormant spray | insecticide for plants used in the non-growing season |
| dormitory | place for sleeping |
| dormer window | bedroom window set into a roof |
| dormouse | sleeping mouse |
| dormeuse | railway sleeping car |
| dormitive | something that causes sleep |
| dormition | act of sleeping |
| annual | yearly |
| anniversary | celebration marking the turning of a year |
| biannual | occuring twice a year |
| biennial | every two years |
| triannual | three times a year |
| triennial | every three years |
| centennial | every hundred years |
| millennial | every thousand years |
| perennial | through the years |
| annuity | amount of money paid yearly |
| annals | historical events recorded year by year |
| digitus | finger, toe, inch |
| caput; capitis | head |
| manus | hand |
| pes; pedis | foot |
| bracchium | arm |
| dens; dentis | tooth |
| corpus; corporis | body |
| geography | draw the earth (make maps) and write about it |
| geographer | one who makes maps and writes about the earth |
| geology | study of the earth and its formations |
| geologist | one who studies the formations of the earth's crust; rocks, minerals, oil |
| geometry | branch of study on ways to measure the earth |
| George | one who works the earth; a farmer |
| territory | land under control of a government or owner |
| terrace | raised platform of earth |
| terra cotta | "cooked earth"; fired clay pottery, tiles |
| terrarium | garden in a small glass container |
| terristrial | pertaining to the earth |
| extraterristrial | outside the earth's atmosphere |
| terrier | small dog which hunts for burrowing game |
| Mediterranean Sea | the sea in the middle of the land |
| diabolical | possessed by the devil |
| diadem | bond across the forehead; a wreath or crown |
| diagnosis | line between two adjacent corners in a figure of four sides or more |
| diagram | a cross section drawing |
| diameter | measure across |
| diamond | hardest substance |
| diacritical | marks to separate long and short vowels |
| transport | carry across |
| transaction | trade or exchange |
| transcript | separate into writting |
| transfer | carry across |
| transform | change over to a different form |
| transplant | move a plant |
| transparent | appear to be seen through |
| hydroplane | boat that glides on surface of water |
| hydrophobia | fear of water |
| dehydrate | remove water |
| hydrophone | instrument to hear under water |
| hydrogen | gas when burned produces water |
| hydrology | study of water |
| hydroelectric | electricity produced by moving water |
| aquarium | place for water animals |
| aqueduct | canal for carrying water |
| aquaculture | growing food in water |
| aquamarine | color of water |
| aquaplane | surf board |
| aqueous humor | eye fluid |
| aquifer | layer in earth where water flows |
| bonus | extra good |
| bonbon | good candy |
| bonny | good looking |
| boon | good deed |
| bounteous | plentiful |
| bounty | reward |
| bonanza | rich find |
| debonaire | of good disposition |
| unus | one |
| duo | two |
| tres | three |
| quattuor | four |
| quinque | five |
| sex | six |
| septem | seven |
| octo | eight |
| novem | nine |
| decem | ten |
| centum | hundred |
| mille | thousand |
| volcano | crack in earth with hot lava |
| volcanic | pertaining to volcanoes |
| vulcanize | treat raw rubber with heat |
| vulcanite | hard rubber treated with heat, sulfur |
| vulcanology | study of volcanoes |
| pyrotechnics | fireworks |
| pyrotechnician | work or skill with fire |
| pyre | huge fire for burning bodies |
| pyromaniac | crazy person who plays with fire |
| empyrean | in heavens with the fiery sun |
| pyrometer | instrument to measure extreme heat |
| igneous | pertaining to fire |
| ignite | to set afire |
| ignition | firing up an engine |
| aster | star-shaped flower |
| astronomer | one who names the stars |
| asteroid | in the form of a star |
| astrologer | one who gets knowledge from stars |
| astronaut | star sailor |
| disaster | separation from the good influence of friendly stars |
| astral | pertaining to stars |
| astrodome | covered stadium where sports stars perform |
| petrified | made into stone |
| petrification | process of making into stone |
| Peter | name which means "reliable, like a rock" |
| petroleum | oil from rocks |
| petroglyph | rock carving |
| petrography | writing about rocks |
| petrous | hard, stone-like, rocky |
| stellar | pertaining to a star or stars |
| constellation | group of stars |
| interstellar | between the stars |
| stellate | star-shaped |
| stellascope | instrument for looking at the stars; astronomical telescope |
| stellerid | a star fish |
| stellify | transform a person or thing into a star or constellation |
| Stella | girl's name meaning "Star" |
| Estella | girl's name meaning "Little Star" |
| arboretum | public garden where trees are cultivated and exhibited |
| Arbor Day | day designed for planting trees, usually in March, April or May |
| grape arbor | grape vines trained to climb on a trellis or open roof framework |
| arboraceous | full of trees, wooded |
| arboriculture | cultivation of trees and shrubs |
| arborvitae | "tree of life" an evergreen tree of the cypress family bearing cones |
| synchronize | do at same time |
| chronometer | device to measure time |
| chronology | relate events in time sequence |
| chronic | over a period of time; "from time to time" |
| chronograph | device to measure and record time |