bimodal

[ bahy-mohd-l ]

/ baɪˈmoʊd l /

having or providing two modes, methods, systems, etc.

Statistics. (of a distribution) having or occurring with two modes. Compare unimodal.

Transportation. pertaining to or suitable for transportation involving the use of two forms of carrier, as truck and rail.

Compare intermodal.

Origin of bimodal

First recorded in 1900–05; bi-¹ + modal

bi·mo·dal·i·ty, noun

Errors of sampling may similarly account for some, though not all, of the curves of the bimodal type shown in Figure 29C.

A Quantitative Study of the Nocturnal Migration of Birds. |George H. Lowery.
The distribution of clutches (Fig. 1) runs from mid-March to the last third of July and is bimodal.

The Breeding Birds of Kansas |Richard F. Johnston
The distribution of clutches (Fig. 1) runs from mid-January to the first third of July and is bimodal.

The Breeding Birds of Kansas |Richard F. Johnston
Two spawning periods may account for the bimodal size distribution of young-of-the-year observed in my study.

Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas |James Everett Deacon

The salient feature is that the blunt-ended "B" spoons have a bimodal distribution: from 198 mm.

Mohave Pottery |Alfred L. Kroeber