Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. One of two or more atoms having the same atomic number but different mass numbers.
Wiktionary
- v. topology, transitive To define or demonstrate an isotopy of (one map with another).
- n. physics Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms for the same isotope will have the same atomic number but a different mass number (atomic weight).
WordNet 3.0
- n. one of two or more atoms with the same atomic number but with different numbers of neutrons
Etymologies
- Coined in 1914 by British chemist Frederick Soddy from Ancient Greek ἴσος (ísos, "equal; same") and τόπος (tópos, "place"), because the different isotopes of a chemical element always occupy the same position in the periodic table of elements. Compare the synonymous Icelandic word samsæta. (Wiktionary)
- iso- + Greek topos, place (so called because the isotopes of a chemical element occupy the same position in the periodic table of elements). (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“In helium that occurs naturally the heavier isotope is more frequent than the lighter one by a factor of about 10 million.”
The Nobel Prize in Physics 2003 - Information for the Public
“The U-235 isotope is the all-important factor making uranium an effective fuel for electric generating plants.”
“As we have said, during the irradiation of heavy elements by neutrons, the neutrons are captured and incorporated in the nucleus, and an isotope is thus formed of the primary substance, and this isotope is radioactive.”
“This occurs in nature, although rarely; among 12,500 ordinary oxygen atoms, one oxygen isotope is found.”
“If the government doesn't accept the recommendation to build a new reactor, the other options to secure a long-term isotope supply will have to be revisited, the report said.”
“The primary by-product of enrichment is depleted uranium (DU), principally the U-238 isotope, which is stored either as UF6 or U3O8.”
“The half-life of an isotope is the amount of time it takes for half of its atoms to decay.”
“The isotope, which is extremely hazardous, was en route to”
“We look forward to working with the Government to create a solution to Canada's long term isotope needs, "comments Lloyd Scott, President of Iotron Industries.”
“The ratios make their way into people's hair when they drink the local water, and can be measured using a machine called an isotope ratio mass spectrometer.”
Lists
These user-created lists contain the word ‘isotope’.
-
SCIE - EU nomenclature
All the scientific words found in the official EU nomenclature. For the screening I used Vocabgrabber of the Visual Thesaurus.
abdominal, absorbent, accelerator, accumulator, acebutolol, acetamide, acetanilide, acetate, acetic acid, acetone, acetous, acetyl and 1171 more...
-
GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4087 more...
-
IMCO - EU nomenclature
includes words of the "Prodcom list"
veal, valve, used, yak, wax, wan, teak, vat, vas, strip, use, strap and 4515 more...
-
diioxyde's Words
macabre, egypt, egyptology, queen, love, sex, sister, lover, web, cobweb, line, circle and 223 more...
-
The Sog Collection
My big word list.
chaos, flaccid, empirical, flotsam, cacophony, grumble, assuage, awe, romance, mortality, coalesce, fortuitous and 3282 more...
-
Chained Bear's Favorite Words
peruvian, sparky, poop, etymological, fuck, whatnot, pulchritude, nosh, tetched, quotidian, squalid, trajectory and 388 more...
-
nuclear linguist
spiral cosmic confluence
isotope, flaccid, flatulence, waxing, sham, poly, solicitous, keep
-
ash
ash
abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abide, abject, abjure and 4874 more...
-
nfk9595's Words
magnetohydrodynamics, bovine, epistle, gargantuan, kerfuffle, verbiage, morose, coup de main, elan, achtung, uber, verboten and 497 more...
-
Redatt's Words
crytoscopophilia, jiggle, redatt, brunt, dolt, ephemeral, fissure, helix, isotope, kaleidoscope, lemming, monied and 14 more...
-
sublimation's Words
sublimation, epoxy, hairshirt, hornet, olivine, boll weevil, zebra grass, wheat smut, stinging nettle, steering column, shadow box, salt rub and 21 more...
-
jossette's Words
neuron, isotope, automaton, andalite, cryptozoology, armadillo, phosphorescent, avocado, eviscerate, norwegian, annihilate, toboggan and 49 more...
-
OrbitalCombustion's Words
nepenthe, phrontistery, peregrination, pervicacious, sinistrality, phallogocentric, prolixity, leptokurtic, ineffable, haecceity, lucubration, vicissitudes and 1026 more...
-
words i rather like
plethora, esoteric, malaise, tangential, moribund, cuspid, quadrilateral, shirk, tea, petrochemical, intonation, bazouki and 20 more...
-
science words
potassium permang..., avagadro's number, adiabatic system, geosynchronous orbit, ohm, fulcrum, molar mass, ampere, capacitance, isotope, allotrope, amphoteric and 20 more...
-
11th Grade Words Dealing with Science
zygote, variegate, polymer, osmosis, isotope, emulsion, diffusion, chrysalis, catalyst, calorie
Tweets
Looking for tweets for isotope.
Comments
No comments yet...
Log in or sign up to get involved in the conversation. It's quick and easy.