interform

1. not comparableBetween forms (school groups).

   There was an interform competition each year where each form [grade level] had to put together a program including a few solos and a whole form piece. All of this was run by one very energetic music teacher who sadly died last year.

   2011, Lucy Green, Learning, Teaching, and Musical Identity: Voices Across Cultures, page 228

plural interforms

1. An intermediate form.

   A “zone of rarity” emerges when symptoms cluster neatly into syndromes and interforms are uncommon, although not altogether absent. Fuzzy boundaries and interforms are a special problem for PTSD […]

   2004, Gerald Rosen, Posttraumatic Stress Disorder: Issues and Controversies, page 127

   1 more example

   Having completed its cycle on the nuclear or female stage of maturement, its atmosphere, the sum of the atmospheres or essential organisms of its interforms, ascended as a whole to the atmospheric or male plane of maturement.

   1879, Jean Story, Substantialism; Or, Philosophy of Knowledge, page 267