Examlex
Draw all the isomers for butanol.Include constitutional, geometric, and optical isomers.
Duplication
The act of making an exact copy of something; in genetics, it refers to a type of mutation where segments of DNA are repeated.
Postal Money Order
A financial instrument, purchased from a postal authority, used to pay a specified amount of money to someone else.
Endorsement
The act of giving one's public approval or support to someone or something, or in financial terms, the signature on the back of a check that allows it to be deposited or cashed.
Subtle Gradations
Fine or slight differences or variations within a range or series of elements or aspects.
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