General Information (O-P)

Table Of Contents

Oasis Parchment Platinum
Obeah Parity Pleistocene
Oboe Parity Bit Plimsoll
Obsidian Parity Check Pliocene
Ocarina Parsec Plough
Occlusion Pasteurisation Plutonium
Octroi Patten Pneumonia
Ode Pcp Pogo
Ohm PDS Poison
Ohm's law Peat Poisonous
Oil Peck Polio
Old Maid Pentaerythritol Tetranitrate Polka
Olefines Pentagon Polonium
Oleic acid Pentathlon Polydactylism
Oligarchy Pentode Polyester
Oligocene Pentose Polyethylene
Olpe Penumbra Polymer
Olympic Games Perception Polypus
Omber Percolator Polysaccharide
Omega Pericarp Pood
Omega-minus particle Pericarps Poor laws
Omelette Perigee Positron
Omnibus Perigynous Potassium
Oncology Perikon Detector Potassium Acid Sulphate
Ondograph Permafrost Potassium Bisulphate
Oneg Shabbat Permaid Potassium Bromate
Opera Permalloy Potassium Bromide
Ophicleide Permanganate Potassium Carbonate
Opium Permian Potassium nitrate
Optophone Persimmon Potassium Oxalate
Order of the Garter Peruke Potassium sodium tartrate
Ordovician Pessary Potassium Thiocyanide
Organic Petrol Potential Energy
Organic Chemistry Petroleum Poundage
Origami Pewter Poundal
Ormolu pH Praseodymium
Ornithology Phencyclidine Prazosin Hydrochloride
Orris Root Phenic Acid Pre-Cambrian
Orthicon Phenol Presto
Ortho-Toluidine Phenyl benzene Primates
Osmiridium Phenyl salicylate Profane Oaths Act
Osmium Phenylacrylic Acid PROLOG
Ounce Phocine Promethium
Ounces Phon Propaganda
Overcoil Phosphate Propane
Oxalic acid Phosphorus Propane
Oxidation Phot Propranolol
Oxidise Photon Propylaea
Oxygen Photosynthesis Protactinium
Oxytocin Phototropic Protein
Ozone Phrenology Proteins
P Band Piano Protium
Pacemaker Pica Proton
Pack-Fong Picador Prussic Acid
Packet Picaroon Psychoanalysis
Packet Switched Network Piccolo Psychology
Packet Switching Picul Pub
Pahari Piezo Pump
Palaeocene Pilau Pumpernickel
Palaeography Piles Punch
Palaeontology Pinchbeck Puree
Pali Pinene Purgative
Palindrome Pint Purple
Palladium Pistil Pus
Palm Kernel Oil Pistillate Pustulant
Palm Oil Pitch Pyramids
Palmitic Acid Piton Pyridoxine
Pampas Pitpan Pyrogallic Acid
Pancratium Plane table Pyrogallol
Pantothenic acid Planet Pyrometer
Pantoum Planimeter Pyrophone
Para-cresol Plant Pyrrhic Dance
Paracetamol Plantation Pythian Games
Paradichlorobenzene Plants Pyx
Paraffin Plaster of Paris Pyxidium
Parallax Plastic
Parallel Transmission Plateau