A wall of two different types of masonry walls, one behind the other, for example, a concrete block wall covered with a layer of brick.
Reinforced masonry
A construction made of hollow masonry units that are strengthened with steel and filled with mortar.
Reinforced membrane
A roofing membrane that has been strengthened by adding polyester scrims or mats, glass fibers or other material.
Reinforcement
Items, such as steel bars, used to strengthen other materials.
Reinforcing bar
Steel bars that are placed in concrete to provide reinforcement. Also called rebar.
Reinstatement clause
Insurance policy clause, which states that, policies that lapse because of nonpayment of premiums can only be reinstated if all unpaid premiums are paid, and other requirements are fulfilled.
Reinvestment rate
Interest rate assumed by investors to be able to be earned on intermediate cash flow in the projection of terminal value.
Relamping
The replacement of a non-functional or ineffective lamp with a new, more efficient lamp.
Relative
Having a connection to or dependence upon another process or object.
Relative humidity (rh)
The amount of water vapor in the air compared to the amount of water vapor that the air can hold at a given temperature. For example, if the relative humidity is 50 percent, then the amount of water vapor in the air is half of what the air could actually hold at that temperature.
