For very low temperatures, these may use magnets instead of mercury
thermometers
It can mean "universal" or refer to a particular Christian denomination
catholic
This profession is from the Greek for "star sailor"
astronaut
A rare variety of ruby exhibits asterism, meaning that this shape is visible when the gem is seen in sunlight
star
It's the property of some unstable atoms that causes them to give off ionizing radiation
radioacativity
Name of a city in southern Colorado as well as Tobago's partner island
Trinidad
Mystifying, or using code
cryptic
This light brown candy may take its name from the Arabic kurat al milh, meaning "ball of sweet salt"
caramel
Dive, mate! The waters of Australia are rich in the white south sea variety of these gems
pearl
This branch of physics deals with the structure & nature of cosmic bodies
cosmology
Look out, this type of small family store, here comes Walmart
mom-and-pop
It's distilled from white wine & is named for a city in western France
cognac
It was coined by George Orwell & means the capacity to accept 2 contradictory ideas at the same time
doublethink
The regent, one of these gems, was once called the pitt, for Thomas Pitt who purchased it in 1702
diamond
Condensed-matter physics deals with superfluidity, in which certain liquids flow without this
friction
A relaxing type of herbal tea from celestial seasonings
chamomile
Having a common center
concentric
Partly from the Greek for "all", it once meant a complete set of arms & armor but now refers to a striking array
panoply
Isle Royale Greenstone is found chiefly as small pebbles on the beaches of this state
Michigan
The smallest discrete amount of radiant energy is called this, also a name for a branch of physics
quantum physics
Meaning "city", this word comes before "Juarez" & "de Mexico"
Cuidad
This era of geologic time includes the Tertiary & Quaternary periods
the Cenozoic
This word for an autocratic leader is from the Greek for "lord, master"
tryant
For its resemblance to a golden-orange gem, citrine is sometimes called false this
topaz
The flag of Albania depicts this bird, double-headed
eagle