adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An oil having a viscosity specified for a single temperature range.

Adjective

1. 1
   Relating to students of the same grade level. not-comparable
2. 2
   Of an oil: having a viscosity specified for a single temperature range. not-comparable
3. 3
   Belonging to a certain conjugation class of verbs in Japanese or Old Japanese, so called due to their use of one vowel (grade or row on the gojūon chart). not-comparable

Etymology

From mono- + grade. For sense 3, compare Japanese 一段 (ichidan).

Related phrases

old japanese

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.