re·vers·i·ble

[ri-vur-suh-buhl]
adjective
1.
capable of reversing or of being reversed.
2.
capable of reestablishing the original condition after a change by the reverse of the change.
3.
(of a fabric) woven or printed so that either side may be exposed.
4.
that can be worn with either side out: a reversible jacket.
noun
5.
a garment, especially a coat, that can be worn with either side exposed.
00:10
Reversible is always a great word to know.
So is doohickey. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a gadget; dingus; thingumbob.

Origin:
1640–50; reverse + -ible

re·vers·i·bil·i·ty, re·vers·i·ble·ness, noun
re·vers·i·bly, adverb
non·re·vers·i·bil·i·ty, noun
non·re·vers·i·ble, adjective
non·re·vers·i·ble·ness, noun
non·re·vers·i·b·ly, adverb
un·re·vers·i·ble, adjective
un·re·vers·i·ble·ness, noun
un·re·vers·i·b·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To reversible
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World English Dictionary
reversible (rɪˈvɜːsəbəl) [Click for IPA pronunciation guide]
 
adj
1.  capable of being reversed: a reversible decision
2.  capable of returning to an original condition
3.  chem, physics capable of assuming or producing either of two possible states and changing from one to the other: a reversible reaction
4.  thermodynamics (of a change, process, etc) occurring through a number of intermediate states that are all in thermodynamic equilibrium
5.  (of a fabric or garment) woven, printed, or finished so that either side may be used as the outer side
 
n
6.  a reversible garment, esp a coat
 
reversi'bility
 
n
 
re'versibly
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
The two-step process helps account for why the molecule is so stable and why
  the process is easily reversible.
The procedure is reversible and appears to be generally safe, although a few
  cases of fatal cerebral hemorrhage have occurred.
However, while the security progress achieved over the past year is
  significant, it is also fragile and reversible.
Other, more reversible causes can be treated effectively.
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