anaerobe [an-, without + aero, air + bio, life] A microorganism that does not require free oxygen to live. Opposed to aerobe. (AN uh rohb')

anaerobic [an-, without + aero, air + bio, life + -ic] Living without air or free oxygen. Opposed to aerobic (def. 1). (an'uh ROH bik)

agog   leader, to lead

anagoge [ana-, again + agog, to lead] A mystical or spiritual interpretation of a word or words, especially of the Scriptures. (AN uh goh'jee)

demagog [dem,people + agog, leader] 1.A leader who obtains power by appealing to the popular prejudices and emotions of the people. 2.0riginally, a popular leader of the people. Same as demagogue. (DEM uh gog')

demagogue [dem, people + agog, leader] 1.A leader who obtains power by appealing to the popular prejudices and emotions of the people. 2.Originally, a popular leader of the people. (DEM uh gog')

emmenagogue [en-, into + men, menstruation + agog, to lead] An agent that stimulates menstrual flow. (uh MEN uh gog')

hypnagogic [hypn, sleep + agog, to lead + -ic] Pertaining to or associated with the state of drowsiness preceding sleep. See hypnopompic. (hip'nuh GOJ ik)

mystagogue [myst(ery) & agog, leader] A person who initiates candidates into religious mysteries or a mystery cult. (MIS tuh gog')

pedagog [ped, child + agog, leader] A schoolteacher, especially one who instructs in a pedantic, dogmatic, and formal manner. Same as pedagogue. (PED uh gog')

pedagogics [ped, child + agog, leader + -ics, science] The science, art, or profession of teaching. Same as pedagogy. (ped' uh GOJ iks)

pedagogue [ped, child + agog, leader] A schoolteacher, especially one who instructs in a pedantic, dogmatic, and formal manner. (PED uh gog')

sialagogue [sial, saliva + agog, to lead] An agent that stimulates the flow of saliva. (seye AL uh gog')

synagog [syn-, together + agog, to lead] 1.A Jewish house of worship and religious study. 2.A Jewish assemblage for worship and religious study. (SIN uh gog')

synagogue [syn, together + agog, to lead] 1.A Jewish house of worship and religious study. 2.A Jewish assemblage for worship and religious study. Same as synagog. (SIN uh gog')

agr/o, agri   crop production, field

agrarian [agrfield + -arian] Pertaining to the ownership, management, and cultivation of land. (uh GREHR ee un)

agribusiness [agri, crop production & business] Large-scale farming and related businesses, including the processing and distribution of farm commodities. (AG rih biz'nis)

agriculture [agri, crop production & culture] The art or science of crop production and livestock management. Farming. See aquaculture, hydroponics, and geoponics. (AG rih kul'chur)

agrobiology [agro, crop production + bio, life + -logy, science] The quantitative science of plant growth and nutrition, as related to soil control and crop yield. (ag' roh beye OL uh jee)

agrology [agr, cropproduction + -ology, science] The science of soils dealing especially with crop production. (uh GROL uh jee)

agronomics [agro, crop production + nom, system of laws+ ics, science] The science of soil management and crop production. Same as agronomy. (ag'ruh NOM iks)

agronomy [agro, crop production + -nomy, system of laws] The science of soil management and crop production. (uh GRON uh mee)

agrostology [Grk > agrostis, grass + -ology, study of] The branch of botany dealing with the study of grasses. (ag'ruh STOL uh jee)

a1g/o   pain

algolagnia [ako, pain + -1agnia, lust] Sexual pleasure obtained from experiencing or inflicting pain, as in masochism or sadism. (al'guh LAG nee uh)

algometer [algo, pain+ meter, to measure] An instrument for measuring the degree of sensitivity to pain resulting from a stimulus such as pressure. (al GOM et er)

algophobia [algo, pain + -phobia,fear] Abnormal fear of pain. (al'guh FOH bee uh)

analgesia [an-, without + a1g, pain + -ia] Absence of sensibility to pain while in a fully conscious state. (an' I JEE zee uh)

analgesic [an-, without + a1g, pain + -ic] A drug or remedy that relieves pain, as aspirin. (an'l JEE zik)

arthralgia [arthrjoint + a1g, pain + -ia] Pain in a joint. (ahr THRAL juh)

cardialgia [cardi, heart+ a1g, pain+ -ia] Pain in or near the heart. (kahr' dee AL juh)

causalgia [caust, to burn+ a1g, pain + -ia] A severe, constant burning pain, usually resulting from a peripheral nerve injury. (koz AL juh)

coxalgia [Ltn>coxa,hip+aJg, pain+-ia] 1.Pain in the hip joint. 2.Disease of the hip joint. (koks AL juh)

metralgia [metr, uterus + a1g, pain+ -ia] Pain in the uterus. (niih TRAL juh)

myalgia [my, muscle + a1g, pain + -ia] Pain in a muscle. (meye AL juh)

nephralgia [nephr, kidney+ a1g, pain+ -ia] Pain in the kidneys. (neh FRAL juh)

neuralgia [neurnerve+a1g, pain+-ia] Intense pain along the course of one or more nerves. (noo RAL juh)

nostalgia [Grk > nostos, return home + a1g, pain + -ia] 1.Pathological homesickness. 2.A painful longing for persons, things, conditions, or situations of the past. (nos TAL juh)

odontalgia [odont, tooth + a1gpain + -ia] Toothache. (oh' don TAL juh)