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Isotopes are atoms of the same element which have differing number of neutrons.

This means they have the same number of protons.
Deuterium is an isotope of hydrogen.
Deuterium is hydrogen-2, i.e. hydrogen with a mass number of 2 (1 proton + 1 neutron).

Tritium is a rarer isotope of hydrogen, and is also known as hydrogen-3 (it has 1 proton + 2 neutrons).
Isotope by ChemMan May 12, 2010
Related Words
Lighter and heavier versions of the same thing, (but usually in reference to atoms)
Bud and Bud Lite are "isotopes" of Bud. When you gain weight, you just become an "isotope" of your former self.
isotope by 387mqr October 9, 2008
The "auxiliary" verger of Cloisterham Cathedral.
IsoTope may indeed have had just a minor role in the "Mystery Of Edwin Drood" tale, but I am still a bit surprised that neither Dickens nor Garfield made any mention of him in the famous mystery-thriller story.
IsoTope by QuacksO November 14, 2018

Isotoners 

A outdoor rubber glove, used for gardening and yard work. The brand of gloves OJ couldn't fit on his hands during his murder trial.
Joe: I'm thinking of getting these isotoners to do some yard work

Bob: Good idea, plus if you kill someone and they get wet they'll shrink and you'll be acquitted.
Isotoners by Randyt13 June 22, 2013

Isotoners 

Gloves, referencing to the ones in the OJ murders.
OJ wore isotoners when he killed a bitch.
Isotoners by Zach=BAMF October 23, 2007
equally cool or just as cool
i love isodope clothes
ISOdope by scykosiz April 23, 2005
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kinktober 

An excuse for people to write porn with different types of kinks throughout the month of October.

Smut Fanfiction
That chick doesn't write often but when she does, its for Kinktober.
kinktober by Kinkiest July 12, 2018
Word of the Day on October 30, 2026

proper lad 

a lad that is such a lad that he is a proper lad
person1:did you see bob
person2: ya he was a proper lad
Word of the Day on October 29, 2026
The number of years you are still sexually active
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
sexspan by Dr Kat April 21, 2022
Word of the Day on October 28, 2026
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