Compound has 15 different meanings across 3 categories:
a whole formed by a union of two or more elements or parts
"The chemical compound consists of carbon and hydrogen atoms bonded together to form a stable molecule."
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
"Water is a compound made from hydrogen and oxygen combined in a precise ratio by mass."
an enclosure of residences and other building (especially in the Orient)
"The traveler walked through a traditional Chinese compound filled with courtyards and ancestral halls."
An enclosure within which workers, prisoners, or soldiers are confined
"The new playground is a compound that combines swings, slides, and climbing frames into one large area."
Anything made by combining several things.
In plain English: A compound is something made by mixing two or more different things together to create a new whole.
"The garden was filled with flowering compound plants like hydrangeas and lilacs."
Usage: As a noun referring to an enclosed area like a factory complex or prison yard, "compound" is often confused with the more general term "facility," though it specifically implies high security and restricted access. When used as anything created from combined parts, ensure you distinguish this meaning from the verb form which describes the act of mixing itself rather than the resulting object.
calculate principal and interest
"To determine the total cost of the loan, you must compound the monthly payments to include both principal and interest."
create by mixing or combining
"The chef created a unique sauce by compound fresh herbs into the hot oil."
To form (a resulting mixture) by combining different elements, ingredients, or parts.
"The chef compounded a rich sauce by combining fresh herbs, garlic, and olive oil."
In plain English: To compound something means to make it worse by adding more problems on top of what is already there.
"The accident compounded his financial troubles by damaging his truck."
composed of more than one part
"compound leaves are composed of several lobes"
"compound flower heads"
consisting of two or more substances or ingredients or elements or parts
"soap is a compound substance"
"housetop is a compound word"
"a blackberry is a compound fruit"
composed of elements; not simple
"The chemical compound is made up of two distinct elements bonded together, making it far more complex than a single element alone."
In plain English: Something that is compound is made up of two or more different parts combined together to form a single whole.
"The complex compound interest on his savings account grew rapidly over the years."
The word compound likely entered English through Dutch or Portuguese as a variation of the Malay term for "village" or "group of buildings." Its meaning shifted from referring to an entire settlement to describing enclosed areas containing multiple structures, influenced by its related form in Etymology 2.