pigmentlessadj.
/ˈpɪɡm(ə)ntləs/, U.S. /ˈpɪɡm(ə)ntləs/ Chiefly Biology and Medicine.
Having no (natural) pigment; lacking pigment.
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the world > life > biology > substance > pigment > [adjective] > deficient in
pigmentless1888
depigmented1902
1888 Philos. Trans. 1887 (Royal Soc.) B. 178 30 This whole Muellerian duct was..attached all along its length to a very thin and pigmentless peritoneal fold.
1926 Glasgow Herald 19 June 4 We are not forgetting the practically pigmentless flowers whose white colour is due to the total reflection of light.
1961 J. L. Cloudsley-Thompson & J. Sankey Land Invertebr. iii. 46 The common Brandling worm can at once be recognised by its transverse stripes or bands of pigmentless yellow intersegmental areas.
1996 Nature 4 July 33/3 The tentacular groove is covered by pigmentless skin.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1888- orbicular-oblong
- orbicular-ovate
- orbicular-reniform
- orbicular-spathulate
- orbicularcordate
- orbicularcrenate
- orbicularcuneate
- orbiculares
- orbicularis
- orbicularis muscle
- orbicularis oculi
- orbicularis oculi muscle
- orbicularis oris
- orbicularis oris muscle
- orbicularis palpebrarum
- orbicularities
- orbicularity
- orbicularly
- orbicularness
- orbicularoblong
- orbicularovate
- orthaxial
- orthesis
- orthian
- orthic