Sentence examples for first observed from inspiring English sources

Suggestions(5)

first removed

first resolved

first preserved

first adhered

prior observed

The phrase "first observed" is correct and can be used in written English.
You can use it to refer to the first time something was seen, observed, noticed, or recognized. For example: The phenomenon of global warming was first observed in the late 19th century.

Exact(60)

Such behaviour was first observed in 2013.

Encyclopedia Britannica

(The holiday was first observed in 1986).

The New York Times - Books

REM Sleep was first observed in Apr.

The New Yorker

Bleaching was first observed in 1983.

The Guardian

Superconductivity was first observed in mercury in 1911.

The Guardian

Voyager 2 first observed them in August 1981.

The New York Times - Science

The holiday was first observed on Jan . 20 , 1986

The New York Times

Chandra first observed E0102 shortly after its launch in 1999.

Harvard University

Bryan first observed this effect in 1890.

Journal of Sound and Vibration

Furthermore, the conformational transitions were first observed in the reaction.

Tetrahedron

This ownership passes out of our hands at birth, at the moment we are first observed.

The New Yorker

More suggestions(15)

first perceived

first monitored

first notes

first adhere

first ever observed

first observable

first oversaw

first monitoring

worst observed

first time observed

strongest observed

first supervised

largest observed

nearest observed

1st observed

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