Scientist Quotations - Categories Index for Initial O
This list includes science quotes from archaeologists, biologists, chemists, geologists, inventors and inventions, mathematicians, physicists plus pioneers in medicine, science events and technology.
This index gives quotes listed under category headings. When the category is a scientist name, the index is for any reference made ABOUT the scientist BY another person.
Oak (2)
Oath (2)
Obervation (2)
Obesity (4)
Obituary (4)
Object (13)
Objection (4)
Objective (2)
Objectively (1)
Objectivity (3)
Obligatory (1)
Oblivion (3)
Oblivious (1)
Oblong (1)
Obscure (2)
Obscurity (2)
Observation (142)
Observatory (2)
Observe (0)
Observer (1)
Obsession (1)
Obsolete (1)
Obstacle (4)
Obstetrician (1)
Obstetrics (1)
Obstinate (1)
Obtain (5)
Obvious (4)
Occam's Razor (1)
Occasion (1)
Occult (1)
Occultism (1)
Occupation (14)
Occupy (1)
Occur (2)
Occurrence (1)
Ocean (13)
Octopus (1)
Odd (1)
Odious (1)
Odour (1)
Oedipus (1)
Oedipus Complex (1)
Of Course (1)
Offensive (1)
Office (2)
Offspring (2)
Ohm (1)
Oil (6)
Oil Shale (1)
Oil Spill (1)
Old Age (10)
Omit (2)
Omniscience (1)
One (1)
Ontogeny (4)
Ontography (1)
Open (1)
Openness (1)
Operation (12)
OperationUnderstanding (1)
Opiate (1)
Opinion (36)
Opium (4)
Opponent (4)
Opportunity (4)
Oppose (1)
Opposite (8)
Opposition (7)
Oppression (1)
Opt (1)
Opthalmologist (1)
Optical Fibre (1)
Optical Grating (1)
Optics (6)
Optimism (1)
Optimize (1)
Option (1)
Optometry (1)
Oracle (2)
Orange (2)
Orator (1)
Orbit (16)
Orbitals (1)
Order (21)
Ordinary (4)
Ordnance (1)
Ore (2)
Organ (20)
Organ Donation (1)
Organelle (1)
Organic (2)
Organic Chemist (1)
Organic Chemistry (16)
Organic Life (1)
Organism (25)
Organization (10)
Organize (2)
Orgasm (1)
Orgy (1)
Origin (5)
Origin Of Earth (4)
Origin Of Life (6)
Origin Of Man (5)
Origin Of Species (30)
Origin Of The Species (1)
Origin Of The Universe (4)
Original (1)
Originality (1)
Ornament (1)
Ornithology (2)
Orogeny (1)
Orphan (1)
Orthodoxy (1)
Oscillate (1)
Oscillation (2)
Ostrich (1)
Other (1)
Otter (1)
Outcome (2)
Outlaw (1)
Outlook (3)
Output (1)
Outside (1)
Overcome (1)
Overlook (1)
Overseas (1)
Oversight (1)
Overtake (1)
Overthrown (1)
Overwhelming (1)
Ovule (1)
Owe (1)
Oxalic Acid (1)
Oxidation (3)
Oxide (1)
Oxygen (13)
Oxymoron (1)
Oyster (3)
Ozone (1)
Oath (2)
Obervation (2)
Obesity (4)
Obituary (4)
Object (13)
Objection (4)
Objective (2)
Objectively (1)
Objectivity (3)
Obligatory (1)
Oblivion (3)
Oblivious (1)
Oblong (1)
Obscure (2)
Obscurity (2)
Observation (142)
Observatory (2)
Observe (0)
Observer (1)
Obsession (1)
Obsolete (1)
Obstacle (4)
Obstetrician (1)
Obstetrics (1)
Obstinate (1)
Obtain (5)
Obvious (4)
Occam's Razor (1)
Occasion (1)
Occult (1)
Occultism (1)
Occupation (14)
Occupy (1)
Occur (2)
Occurrence (1)
Ocean (13)
Octopus (1)
Odd (1)
Odious (1)
Odour (1)
Oedipus (1)
Oedipus Complex (1)
Of Course (1)
Offensive (1)
Office (2)
Offspring (2)
Ohm (1)
Oil (6)
Oil Shale (1)
Oil Spill (1)
Old Age (10)
Omit (2)
Omniscience (1)
One (1)
Ontogeny (4)
Ontography (1)
Open (1)
Openness (1)
Operation (12)
OperationUnderstanding (1)
Opiate (1)
Opinion (36)
Opium (4)
Opponent (4)
Opportunity (4)
Oppose (1)
Opposite (8)
Opposition (7)
Oppression (1)
Opt (1)
Opthalmologist (1)
Optical Fibre (1)
Optical Grating (1)
Optics (6)
Optimism (1)
Optimize (1)
Option (1)
Optometry (1)
Oracle (2)
Orange (2)
Orator (1)
Orbit (16)
Orbitals (1)
Order (21)
Ordinary (4)
Ordnance (1)
Ore (2)
Organ (20)
Organ Donation (1)
Organelle (1)
Organic (2)
Organic Chemist (1)
Organic Chemistry (16)
Organic Life (1)
Organism (25)
Organization (10)
Organize (2)
Orgasm (1)
Orgy (1)
Origin (5)
Origin Of Earth (4)
Origin Of Life (6)
Origin Of Man (5)
Origin Of Species (30)
Origin Of The Species (1)
Origin Of The Universe (4)
Original (1)
Originality (1)
Ornament (1)
Ornithology (2)
Orogeny (1)
Orphan (1)
Orthodoxy (1)
Oscillate (1)
Oscillation (2)
Ostrich (1)
Other (1)
Otter (1)
Outcome (2)
Outlaw (1)
Outlook (3)
Output (1)
Outside (1)
Overcome (1)
Overlook (1)
Overseas (1)
Oversight (1)
Overtake (1)
Overthrown (1)
Overwhelming (1)
Ovule (1)
Owe (1)
Oxalic Acid (1)
Oxidation (3)
Oxide (1)
Oxygen (13)
Oxymoron (1)
Oyster (3)
Ozone (1)
