infusible

in- +‎ fusible

infusible (comparative more infusible, superlative most infusible)

1. That cannot be fused; unmeltable.

infuse +‎ -ible

infusible (comparative more infusible, superlative most infusible)

1. Capable of being infused.
   • 1654, H[enry] Hammond, Of Fundamentals in a Notion Referring to Practise, London: […] J[ames] Flesher for Richard Royston, […], →OCLC:

     Doctrines being infusible into all.

2. From which an infusion may be made.

infusible (plural infusibles)

1. infusible

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