reciprocal

Consumers watched the prices of goods like bananas rise after the onset of reciprocal tariffs, Mahoney noted, and fall only slightly after those tariffs were rescinded.

From The Wall Street Journal ● Oct. 8, 2026

Governing bodies usually have reciprocal arrangements for the home board to pick up the logistical expenses of the visiting team, including things like travel and accommodation.

From BBC ● Oct. 5, 2026

Ethiopia also expelled an Egyptian diplomat without explanation, prompting a reciprocal move by Cairo.

From Barron's ● Oct. 2, 2026

It was a rare reciprocal relationship in an interaction otherwise distorted by fame—we loved her because she was Gloria Steinem, and she loved us because we were bright-eyed young women.

From Slate ● Sep. 3, 2026

I don’t really trust him, but I tell him I do, as a way of inspiring a reciprocal trust.

From "Every Day" by David Levithan

So, if and are negative reciprocals of one another, they can be multiplied together to yield –1.

From Textbooks ● Dec. 1, 2021

Since they are not negative reciprocals, the lines are not perpendicular.

From Textbooks ● Apr. 22, 2020

We can graph by observing the graph of the sine function because these two functions are reciprocals of one another.

From Textbooks ● Feb. 13, 2015

The secant, cotangent, and cosecant are all reciprocals of other functions.

From Textbooks ● Feb. 13, 2015

But of these twenty-four cross-ratios groups of four are equal, so that there are really only six different ones, and these six are reciprocals in pairs.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various