Vocabulary
Common words first. Switch to Full dictionary for the complete list. Tap a word for details.
Full dictionary · 217,056 · 100001–100040
hydrogenation
hydrogen electrode
alkyne
alkyne
alkene; olefin; olefine
alkene; olefin; olefine
olefin; olefine; alkene
tritium
tritium
hydrogen bromide (HBr)
arsine
arsine
hydrogen fluoride; HF
alkane
alkane
hydrogen iodide; HI
carbon tetrachloride (CCl4)
amorphous carbon
nitrogen cycle
nitrogen group (group 15 of the periodic table)
nitrogen metabolism
nitrogen oxide (esp. nitric oxide, but also nitrous oxide, nitrogen dioxide, dinitrogen pentoxide, etc.)
oxyacetylene flame
oxoacid
oxoacid
oxygenase
oxygenase
oxygen tent
reactive oxygen (i.e. free radicals, which can be destructive at high concentrations)
neptunium series
enriched uranium
lanthanide; lanthanoid
iron lung
artificial lung
cold fusion
quantum computer
chariot
depth perception
galaxy
ununoctium (Uuo)