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Genus of chiefly tropical American trees having fragrant wood and yielding gum elemi
Answer for the clue "Genus of chiefly tropical American trees having fragrant wood and yielding gum elemi ", 7 letters:
protium
Word definitions for protium in dictionaries
Wikipedia
Word definitions in Wikipedia
Protium may refer to: In physics and chemistry, protium refers to hydrogen-1 , the most common isotope of the element hydrogen, with one proton and no neutrons. It is the most stable isotopic form of hydrogen. At normal condition it exists about 99.985% ...
Wiktionary
Word definitions in Wiktionary
n. 1 (context isotope English) The lightest and most common isotope of hydrogen, having a single proton and no neutron - (nuclide 1 1 H) 2 An atom of this isotope.