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Webster 1913 Edition

Adj.

Containing counsel or warning; hortatory; advisory.

[Obs.]

Potter.

Adiabatic line

curve

a curve exhibiting the variations of pressure and volume of a fluid when it expands without either receiving or giving out heat.

Rankine.

Adj.

[L. adhortor, to advise, ad and hortor.]

Advisory; containing counsel or warning.

adhortatory ‎(comparative more adhortatory, superlative most adhortatory)

(obsolete) Containing counsel or warning; advisory.
- John Potter
  They, who run into errors unwittingly, shall not be arraign'd in the publick Court, but some adhortatory Lessons of their Duty are to be privately inculcated.