| poison pill | the target company defends itself by making its stock less attractive to an acquirer |
| respiratory syncytial virus | a paramyxovirus that forms syncytia in tissue culture and that is responsible for severe respiratory diseases such as bronchiolitis and bronchial pneumonia (especially in children) |
| South American poison toad | a South American toad |
| poison | anything that harms or destroys, the poison of fascism |
lower respiratory tract smear
bronchoscopic smear
sputum smear | any of several cytologic smears obtained from different parts of the lower respiratory tract, used for cytologic study of cancer and other diseases of the lungs |
respiratory system
systema respiratorium | the system for taking in oxygen and giving off carbon dioxide, in terrestrial animals this is accomplished by breathing |
respiratory tract
airway | the passages through which air enters and leaves the body |
| lower respiratory tract | the bronchi and lungs |
| upper respiratory tract | the nose and throat and trachea |
| respiratory organ | any organ involved in the process of respiration |
| respiratory center | the center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles |
darling pea
poison bush | either of two Australian plants of the genus Swainsona that are poisonous to sheep |
winter sweet poison arrow plant
Acocanthera oblongifolia
Acocanthera spectabilis | medium-sized shrubby tree of South Africa having thick leathery evergreen leaves and white or pink flowers and globose usually two-seeded purplish black fruits |
bushman's poison
ordeal tree
Acocanthera oppositifolia
Acocanthera venenata | evergreen shrub or tree of South Africa |
fly poison
Amianthum muscaetoxicum
Amianthum muscitoxicum | all parts of plant are highly toxic, bulb pounded and used as a fly poison, sometimes placed in subfamily Melanthiaceae |
poison camas
Zigadenus nuttalli | a common perennial death camas, Tennessee to Kansas to Texas |
| poison bush poison pea gastrolobium | any of various Australian evergreen shrubs of the genus Gastrolobium having whorled compound leaves poisonous to livestock and showy yellow to deep reddish-orange flowers followed by two-seeded pods |
poison ash
poison dogwood
poison sumac
Toxicodendron vernix
Rhus vernix | smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries, yields an irritating oil |
poison ivy
markweed
poison mercury
poison oak Toxicodendron radicans
Rhus radicans | climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries, yields an irritating oil that causes a rash on contact |
western poison oak
Toxicodendron diversilobum
Rhus diversiloba | poisonous shrub of the Pacific coast of North America that causes a rash on contact |
eastern poison oak
Toxicodendron quercifolium
Rhus quercifolia
Rhus toxicodenedron | poisonous shrub of southeastern United States causing a rash on contact |
black nightshade
common nightshade
poisonberry
poison-berry
Solanum nigrum | Eurasian herb naturalized in America having white flowers and poisonous hairy foliage and bearing black berries that are sometimes poisonous but sometimes edible |
hemlock poison hemlock
poison parsley
California fern
Nebraska fern
winter fern
Conium maculatum | large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers, usually found in damp habitats, all parts extremely poisonous |
poison milkweed
horsetail milkweed
Asclepias subverticillata | milkweed of southwestern United States and Mexico, poisonous to livestock |
| respiratory quotient | the ratio of the volume of carbon dioxide expired to the volume of oxygen consumed by an organism or cell in a given period of time |
respiratory acidosis
carbon dioxide acidosis | acidosis resulting from reduced gas exchange in the lungs (as in emphysema or pneumonia), excess carbon dioxide combines with water to form carbonic acid which increases the acidity of the blood |
| respiratory alkalosis | alkalosis resulting from increased gas exchange in the lungs (as in hyperventilation associated with extreme anxiety or aspirin intoxication or metabolic acidosis) |
adult respiratory distress syndrome
ARDS
wet lung
white lung | acute lung injury characterized by coughing and rales, inflammation of the lungs which become stiff and fibrous and cannot exchange oxygen, occurs among persons exposed to irritants such as corrosive chemical vapors or ammonia or chlorine etc. |
respiratory disease
respiratory illness
respiratory disorder | a disease affecting the respiratory system |
respiratory distress syndrome
respiratory distress syndrome of the newborn
hyaline membrane disease | an acute lung disease of the newborn (especially the premature newborn), lungs cannot expand because of a wetting agent is lacking, characterized by rapid shallow breathing and cyanosis and the formation of a glassy hyaline membrane over the alveoli |
respiratory tract infection
respiratory infection | any infection of the respiratory tract |
| lower respiratory infection | infection of the lower respiratory tract |
severe acute respiratory syndrome
SARS | a respiratory disease of unknown etiology that apparently originated in mainland China in , characterized by fever and coughing or difficulty breathing or hypoxia, can be fatal |
| upper respiratory infection | infection of the upper respiratory tract |
| poison ivy | dermatitis resulting from contact with the poison ivy plant, my poison ivy is drying up |
| poison oak | dermatitis resulting from contact with a poison oak plant |
| poison sumac | dermatitis resulting from contact with a poison sumac plant |
| poison gas | a gas that is poisonous to breath or contact, used in chemical warfare |
poison
toxicant
poisonous substance | any substance that causes injury or illness or death of a living organism |
respiratory rate
rate of respiration | the rate at which a person inhales and exhales, usually measured to obtain a quick evaluation of a person's health |
| poison | administer poison to, She poisoned her husband but he did not die |
poison
envenom | add poison to, Her husband poisoned her drink in order to kill her |
| poison | kill with poison, She poisoned her husband |
| poison | kill by its poison, This mushrooms can poison |
| poison | spoil as if by poison, poison someone's mind, poison the atmosphere in the office |
| respiratory | pertaining to respiration, respiratory assistance |