Precambrian aeon
— Noun
– English
～ the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Precambrian period
— Noun
– English
～ the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
precambrian
— Noun
– English
～ the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
precancerous
— Adjective
– English
～ of or relating to a growth that is not malignant but is likely to become so if not treated
precarious
— Adjective
– English
～ fraught with danger; "dangerous waters"; "a parlous journey on stormy seas"; "a perilous voyage across the Atlantic in a small boat"; "the precarious life of an undersea diver"; "dangerous surgery followed by a touch-and-go recovery"
precarious
— Adjective
– English
～ not secure; beset with difficulties; "a shaky marriage"
precarious
— Adjective
– English
～ affording no ease or reassurance; "a precarious truce"
precariously
— Adverb
– English
～ in a precarious manner; "being a precariously dominant minority is a difficult position for human nature to cope with"
precariousness
— Noun
– English
～ being unsettled or in doubt or dependent on chance; "the uncertainty of the outcome"; "the precariousness of his income"
precast
— Adjective
– English
～ of structural members especially of concrete; cast into form before being transported to the site of installation
precative
— Adjective
– English
～ expressing entreaty or supplication; "precatory overtures"
precatory
— Adjective
– English
～ expressing entreaty or supplication; "precatory overtures"
precaution
— Noun
– English
～ judiciousness in avoiding harm or danger; "he exercised caution in opening the door"; "he handled the vase with care"
precaution
— Noun
– English
～ the trait of practicing caution in advance
precaution
— Noun
– English
～ a precautionary measure warding off impending danger or damage or injury etc.; "he put an ice pack on the injury as a precaution"; "an insurance policy is a good safeguard"; "we let our guard down"
precautional
— Adjective
– English
～ taken in advance to protect against possible danger or failure; "gave precautionary advice"; "I would take precautionary steps to keep him away"
precautionary
— Adjective
– English
～ taken in advance to protect against possible danger or failure; "gave precautionary advice"; "I would take precautionary steps to keep him away"
precava
— Noun
– English
～ receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
precede
— Verb
– English
～ come before; "Most English adjectives precede the noun they modify"