For math teachers

This is the name of a plumbing joint, and it is also the new term for an “ESL” student, abbr.

Abbr. name of the sea where the United States has vessels around the Philippines

The part of a certain video-sharing app that is full of non-Japanese Japanophiles

The Pythagorean theorem is a special case of this other guy's theorem, which is about the dimensions of circumscribed quadrilaterals. He is better known for astronomy.

In math, this word can describe statements, theorems, and inequalities, and it means "as strong as possible.” Outside math, this word can describe cheese.

This sentiment was surprisingly common among American environmentalists in the 1970s (they were optimistic that a certain fossil fuel could be "cleaned")

When the roads __ __, a safety-minded person might choose not to drive

Abbr. for the Disorder you get from Cumulative Trauma

Abbr. for the Equipment of the Data Terminal

Abbr. for machinery that has a Platform that Elevates Workers

What I might say to a friend who, like me, wants to spend the day lying down

My sense of __ shattered when I found out my real birthday is in April, not August

Bodybuilder's "juice," one of them

In Euclidean space, a set is __ iff it is closed and bounded. So says the Heine-Borel theorem.

The limit

Chess theorem: the opening position, with __ to move, is impossible

Abbr. for what the education sphere now calls a teachers' staff meeting, or the group of teachers leading one. A Learning Community, of Professionals.

Caustic cleaner