"Hydraulic brake fluid," as used in RSA 266:29, shall mean the liquid medium through which force is transmitted to the brakes in the hydraulic brake system of a vehicle.
N.H. Rev. Stat. Ann. § 259:43
Hydraulic Brake Fluid
Source
Official source: New Hampshire General Court. Reproduced from public-domain New Hampshire statutes; confirm against the official source for the current text. Not legal advice.