substratum

Borrowed from New Latin substratum, nominalisation of the neuter of Latin substrātus, perfect passive participle of substernō.

• IPA^(key): /səbˈstrɑ.təm/, /səbˈstreɪ.təm/

• Audio (Southern England):

  (file)

substratum (plural substrata)

1. A layer that lies underneath another.

   Synonym: underlayer

2. (figuratively) The underlying cause or basis of something.
3. (linguistics) A substrate.

• substratal

• IPA^(key): /syp.stʁa.tɔm/

• Audio:

  (file)

• Hyphenation: sub‧stra‧tum

substratum m (plural substratums)

1. stratum

• “substratum”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.