Line on a map is additional mile (8), 8 letters
Line on a weather map showing equal temperatures, 8 letters
An isogram connecting points having the same temperature at a given time, 8 letters
Either of two atoms with equal neutrons but not protons, 7 letters
One of a related set of atoms, 7 letters
Big name in slippers, 8 letters
Brand of therapeutic gloves, 8 letters
___ exercise (weight training), 8 letters
Having the same concentration of salt as mammalian blood, 8 letters
Relating to the equal intervals in a scale, 8 letters
Fluid with the same salt concentration as mammalian blood?, 13 letters
___ Soap (anti-nuclear Geza X song featured on Let Them Eat Jellybeans!), 7 letters
Animated Springfield minor leaguer, 7 letters
Carbon 12 or cobalt 60, 7 letters
Carbon 14 or uranium 235, 7 letters
Carbon-13 or cobalt-60, 7 letters
Chemical element form, 7 letters
Elemental form for 10 poets, 7 letters
Form of a chemical element, 7 letters
Heavy hydrogen, e.g., 7 letters
It may be radioactive, 7 letters
Literally, same place, 7 letters
Member of a fictional Springfield baseball team, 7 letters
One of an element's closely related atoms, 7 letters
Particular form of an element, 7 letters
Related element form, 7 letters
Springfield minor leaguer, 7 letters
Tritium, to hydrogen, 7 letters
U-235 or C-14, e.g., 7 letters
Deuterium has deteriorated in Kansas?, 12 letters
Atoms of different masses, 8 letters
Atoms with the same number of protons, 8 letters
Carbon 12 and carbon 14, 8 letters
Carbon 14 and others, 8 letters
Carbon 14 and strontium 90, 8 letters
Carbon 14 and uranium 235, 8 letters
Chemist's relatives?, 8 letters
Cobalt 60 and iodine 131, e.g., 8 letters
Cobalt-60 and iodine-131, 8 letters
Dancin' Homer was briefly there mascot, 8 letters
Deuterium and tritium, 8 letters
Deuterium and tritium, to hydrogen, 8 letters
Elemental relatives, 8 letters
Elemental variations, 8 letters
Some are radioactive, 8 letters
Springfield minor leaguers, 8 letters
Springfield's minor league team on The Simpsons, 8 letters
They may be radioactive, 8 letters
They share the same atomic number, 8 letters
U-235 and U-238 e.g., 8 letters
Uranium 235 and 238, 8 letters
Uranium 235 and uranium 238, 8 letters
Uniform in all directions, 9 letters
Norma Desmond drove one, 15 letters
Duplicate specimen, in biology, 7 letters
Source of the hotness of those plants and preparations, 14 letters
A family of compounds derived from horseradish and radishes and onions and mustards, 14 letters