16-letter words containing l, b, t, r
- globular cluster — a comparatively older, spherically symmetrical, compact group of up to a million old stars, held together by mutual gravitation, that are located in the galactic halo and move in giant and highly eccentric orbits around the galactic center.
- great blue heron — a large American heron, Ardea herodias, having bluish-gray plumage.
- green vegetables — green edible plants
- gulf of martaban — an inlet of the Bay of Bengal in Myanmar
- hawksbill turtle — a sea turtle, Eretmochelys imbricata, the shell of which is the source of tortoise shell: an endangered species.
- heterometabolism — insect development in which the young hatch in a form very similar to the adult and then mature without a pupal stage
- heterometabolous — undergoing development in which the young are born adultlike in form, often maturing without a pupal stage.
- hit a brick wall — unable to continue or make progress because of a hindrance
- hot-water bottle — a bag, usually of rubber, for holding hot water to apply warmth to some part of the body, as the feet.
- humboldt current — a cold Pacific Ocean current flowing N along the coasts of Chile and Peru.
- hybrid perpetual — a type of cultivated rose bred from varieties having vigorous growth and more or less recurrent bloom.
- hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- hypersensibility — capacity for sensation or feeling; responsiveness or susceptibility to sensory stimuli.
- hypersusceptible — hypersensitive (def 2).
- hypervariability — apt or liable to vary or change; changeable: variable weather; variable moods.
- icterine warbler — a European variety of tree warbler (Hippolais icterina )
- impenetrableness — The quality of being impenetrable.
- imperceptibility — very slight, gradual, or subtle: the imperceptible slope of the road.
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- imperfectibility — The state or quality of being imperfectible.
- impermissibility — The state or condition of being impermissible.
- imperturbability — incapable of being upset or agitated; not easily excited; calm: imperturbable composure.
- impracticability — The quality or condition of being impracticable.
- incontravertable — Misspelling of incontrovertible.
- incontrovertible — not controvertible; not open to question or dispute; indisputable: absolute and incontrovertible truth.
- incontrovertibly — not controvertible; not open to question or dispute; indisputable: absolute and incontrovertible truth.
- inconvertibility — The condition of being inconvertible.
- incorruptibility — not corruptible: incorruptible integrity.
- indescribability — (uncountable) The state or characteristic of being indescribable.
- indiscernibility — The state or characteristic of being indiscernible; inability to be observed.
- inter-laboratory — a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- interbehavioural — relating to or involving interbehaviour
- intercalibration — to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- interconvertible — to subject to interconversion; interchange.
- interminableness — The state or condition of being interminable.
- interoperability — capable of being used or operated reciprocally: interoperable weapons systems.
- interpretability — to give or provide the meaning of; explain; explicate; elucidate: to interpret the hidden meaning of a parable.
- irreplaceability — The quality of being irreplaceable; inability to be replaced; (frequently) uniqueness.
- irrepressibility — The quality of being irrepressible.
- irresistibleness — The quality of being irresistible.
- irresponsibility — said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
- irretrievability — The state or quality of being irretrievable.
- isobutyl nitrite — butyl nitrite.
- kentucky warbler — a wood warbler, Oporornis formosus, of the U.S., olive-green above, yellow below, and marked with black on the face.
- knights of labor — a secret workingmen's organization formed in 1869 to defend the interests of labor.
- labour agreement — a contract between workers and managers setting out working conditions, wages, etc
- labour relations — Labour relations refers to the relationship between employers and employees in industry, and the political decisions and laws that affect it.
- labour-intensive — Labour-intensive industries or methods of making things involve a lot of workers. Compare capital-intensive.
- labrador current — a cold ocean current flowing southwards off the coast of Labrador and meeting the warm Gulf Stream, causing dense fogs off the coast of Newfoundland
- large-print book — a book where the text is printed in larger text than normal, so as to make it easier to read, esp for the visually impaired