Trema may refer to:
* a
Greek and Latin root meaning ''hole''
* Trema, a term for the
two dots (diacritic)
Diacritical marks of two dots , placed side-by-side over or under a letter, are used in several languages for several different purposes. The most familiar to English language, English-language speakers are the Diaeresis (diacritic), diaeresis a ...
** Tréma, (French), a
diaeresis
*
''Trema'' (plant), a genus of about 15 species of small evergreen trees
*
Tréma (record label), a French record label, now defunct
*
Trema, Croatia, a village near Sveti Ivan Žabno in central Croatia
* a term coined by German neurologist
Klaus Conrad in his 1958 monograph on schizophrenia
See also
* ''
Pseudomonas tremae''
*
Trematoda
Trematoda is a class of flatworms known as trematodes, and commonly as flukes. They are obligate internal parasites with a complex life cycle requiring at least two hosts. The intermediate host, in which asexual reproduction occurs, is a mol ...
*
Trematosauria
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