Substrate Bleed (Dot Gain)
/ˈsʌb.streɪt bliːd/
ETYMOLOGY
Latin substratum (under-layer) + Old English blēdan (to produce liquid)
COINED BY
Master Letterpress Guilds / Jan Tschichold
The physical capillary wicking of liquid mineral ink into paper fiber; in digital typography, the optical softening applied to razor-sharp vector letterforms to evoke tactile presence.
Sub-pixel font antialiasing filters and micro-diffusion blurs that soften harsh high-DPI contrast into comfortable reading textures.
“Sharpness is a mechanical triumph; warmth is a human requirement.”
Tschichold, J. (1991). The form of the book: Essays on the morality of good design (H. McKeown, Trans.). Hartley & Marks Publishers.
The Chromologium Archive (2026). “Substrate Bleed (Dot Gain)”. Lexicon of Emergent Disciplines. https://chromologium.com/lexicon/substrate-bleed