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agro- soil; earth; field.
agrobiology the applied science of plant growth and nutrition aimed at improving soil conditions and crop yield.
agrochemical a chemical used to enhance the quality and increase the quantity of farm produce. [2 definitions]
agronomy the study and application of scientific methods of soil management and field crop production; scientific agriculture.
aground on or onto ground, esp. under water. [2 definitions]
agt. abbreviation of "agent," a person with authority to perform certain actions on behalf of another.
ague a fever accompanied by recurring periods of chills and sweating; malarial fever. [2 definitions]
ah used to express surprise, joy, pain, agreement, dislike, and other emotions or reactions according to the context.
aha an exclamation, usu. of surprise, mockery, or triumph.
Ahab in the Old Testament, a king of Israel and husband of Jezebel. [2 definitions]
a hard row to hoe a very difficult task or situation.
ahead in front of; in advance of. [6 definitions]
ahead of time before the time of some event.
ahem a sound as of clearing the throat, used to attract notice, express doubt, or fill in a pause.
ahimsa (Sanskrit) the principle of nonviolence based on the belief in the sacredness of all living creatures, as held by Buddhists, Hindus, and others.
A horizon the uppermost layer of soil in a geological soil profile; topsoil.
ahoy a greeting to attract attention or hail a ship.
ahtomp in Wampanoag language and culture, a weapon used for shooting arrows; bow.
Ahura Mazda in Zoroastrianism, the supreme deity and creator of the world; Ormazd.
ai1 used as an expression of distress, pity, surprise, or the like.
ai2 a large three-toed sloth of Central and South America, whose coat has a greenish tinge from the algae that live in it.