English Dictionary

doorstopper

noun

A doorstop: a device for halting the motion of a door. / (humorous) A large book, which by implication could be used to stop a door. / A gauge used in geophysics.

I used a doorstopper to keep the door open.

意味（1）

A doorstop: a device for halting the motion of a door.

意味（2）

(humorous) A large book, which by implication could be used to stop a door.

So Steven Pinker is stretching the genre with his 450-page doorstopper Enlightenment Now: A Manifesto for Science, Reason, Humanism and Progress.

意味（3）

A gauge used in geophysics.