From The Collaborative International Dictionary of English v.0.48:
Particulate \Par*tic"u*late\ (p[aum]r*t[i^]k"[-u]*l[=a]t), v. t.
& i. [See Particle.]
To particularize. [Obs.]
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Particulate \Par*tic"u*late\ (p[aum]r*t[i^]k"[-u]*l[asl]t), a.
1. Having the form of a particle.
[1913 Webster]
2. Referring to, or produced by, particles, such as dust,
minute germs, etc. [R.]
[1913 Webster]
The smallpox is a particulate disease. --Tyndall.
[1913 Webster]
3. Composed of particles; finely divided.
[PJC]
From The Collaborative International Dictionary of English v.0.48:
particulate \par*tic"u*late\ (p[aum]r*t[i^]k"[-u]*l[asl]t), n.
Matter composed of particles; -- often used in the pl.; as,
the quantity of particulates in auto exhaust is strictly
regulated.
[PJC]