Verb

(deriv)

To obtain or receive (something) from something else.

* {{quote-magazine, year=2013, month=July-August, author= Sarah Glaz

, title= Ode to Prime Numbers , volume=101, issue=4, magazine=(American Scientist) , passage=Some poems, echoing the purpose of early poetic treatises on scientific principles, attempt to elucidate the mathematical concepts that underlie prime numbers. Others play with primes’ cultural associations. Still others derive their structure from mathematical patterns involving primes.}}

(logic) To deduce (a conclusion) by reasoning.

(linguistics) To find the derivation of (a word or phrase).

(chemistry) To create (a compound) from another by means of a reaction.

To originate or stem (from).

* {{quote-magazine, date=2012-01

, author=Robert M. Pringle, volume=100, issue=1, page=31, magazine=(American Scientist) , title= How to Be Manipulative , passage=As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.}}

To turn the course of (water, etc.); to divert and distribute into subordinate channels.

* (and other bibliographic details) Holland

For fear it [water] choke up the pitsthey [the workman] derive it by other drains.

Verb

(en verb)

To occur or take place.

*{{quote-magazine, date=2013-06-28, author=(Joris Luyendijk)

, volume=189, issue=3, page=21, magazine=(The Guardian Weekly) , title= Our banks are out of control , passage=Seeing the British establishment struggle with the financial sector is like watching an alcoholic who still resists the idea that something drastic needs to happen for him to turn his life around.}}

To occur unexpectedly, by chance or with a low probability.

To encounter by chance.

* 1860 , , The Marble Faun , ch. 30:

Unexpectedly, in a nook close by the farmhouse, he happened upon a spot where the vintage had actually commenced.