biphasic

American

[bahy-fey-zik] / baɪˈfeɪ zɪk /

adjective

having two phases.
Botany. having a gametophytic and a sporophytic phase.

biphasic British

/ baɪˈfeɪzɪk /

adjective

having two phases
See two-phase

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of biphasic

First recorded in 1905–10; bi- ¹ + phase + -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Historical records contain evidence of biphasic sleeping habits in humans dating back hundreds of years.

From National Geographic • Jan. 4, 2024

He pointed out that throughout history, there are numerous accounts of what scholars call "biphasic sleep."

From Salon • Jun. 21, 2023

Prior to biphasic sleep, some historians believe that hunter-gatherer societies slept in one smaller stretch throughout the night — closer to how we do now.

From Salon • Feb. 18, 2023

Although the times for starting the first and second sleeps would shift historically and geographically, the biphasic pattern was more or less constant.

From The Guardian • Mar. 9, 2019

The biphasic solution was transferred to a separatory funnel and diluted further with EtOAc and brine.

From Nature • Mar. 19, 2017

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023