The partially decomposed remains of various mosses. This is a good, water retentive addition to the soil, but tends to add the acidity of the soil pH. Valuable for its pronounced air- and water-holding capacity and its freedom from weeds and disease organisms.
Pebble texture
Small drops of compounds are sprayed on drywall and flattened with a trowel or lefts as is.
Pebble tray
Grouping potted plants within a shallow, pebble filled tray in order to maintain humidity in an environment with central heating. Water is poured into the pebbles and evaporates up and around the plants.
Pedestal
(1) The bottom support of a vase, lamp, column, table, etc. (2) Vertical column.
Pedestal floor
Removable floor panels, which are held on pedestals, so that a space is available for cable or ducts to be installed beneath.
Pedestal floor, gridless
Floor with removable panels with pedestal support for the panels at the four corners with no grid supports between panel edges.
Pedestal floor, lay-in grid
Floor with removable panels with beams supporting the panels and pedestals supporting the beams.
Pedestal floor, rigid grid
Floor with removable panels supported by beams mechanically attached to the support pedestals.
Pedestal lavatory
Often used in powder rooms, these sinks are mounted on pedestal stands.
Pediment
Decorative panel over a doorway or fireplace that is a low-pitched gable, in the Grecian style of architecture or any similar triangular shaped piece used ornamentally.
