Tanım
•a sexual attraction to (or sexual relations with) persons of the opposite sex
Etimoloji
From Middle English streightnes, equivalent to straight + -ness. Cognate with Scots strauchtness, straichtness (“straightness”).
Örnek Cümleler
Babamın bu geninin bir de düz saçlılık için aleli mevcut.
So my father's version of that gene, he had the allele for straightness.
Bu kromozom üzerindeki herhangi bir yerde, düz saç geni var.
So someplace on this chromosome, there's a gene for hair straightness.
Genel bir düzlük kavramı olduğunu anladılar. Buna jeodezik deniyor.
They've understood there is a generalized concept of straightness, it's called a geodesic.