- The definition of cancer is a disease with tumors or other uncontrolled growths that damage the body, or anything harmful that spreads.
- An example of cancer is a melanoma on the arm.
- An example of cancer is a wild fire.
- Cancer is defined as a constellation of stars shaped like a crab, the fourth sign in the zodiac, and a person born between June 21st to July 21st.
- An example of Cancer is the constellation closest to Leo and Gemini.
- An example of Cancer is the zodiac sign after Gemini.
- An example of Cancer is someone born on July 5th.
- [C-] a N constellation between Gemini and Leo; the Crab
- [C-] the fourth sign of the zodiac, entered by the sun about June 21: also called the Crab
- [C-] a person born under this signalso Can·cer′i·an
- a malignant new growth anywhere in the body of a person or animal; malignant tumor: cancers tend to spread locally and to distant parts of the body
- any of various diseases characterized by the uncontrolled growth of cells that disrupt body tissue, metabolism, etc.
- anything bad or harmful that spreads and destroys
Origin of cancerMiddle English and Old English from L, a crab; later, malignant tumor; by dissimilation (? already in IE) from Indo-European an unverified form karkar-, reduplicated, reduplication of base an unverified form kar-, hard from source hard, Classical Greek karbinos, crab, Sanskrit karkara, rough, hard, karkata, crab
- a. Any of various malignant neoplasms characterized by the proliferation of anaplastic cells that tend to invade surrounding tissue and metastasize to new body sites.b. The pathological condition characterized by such growths.
- A pernicious, spreading evil: A cancer of bigotry spread through the community.
Origin of cancerMiddle English; see canker .
- A constellation in the Northern Hemisphere near Leo and Gemini.
- a. The fourth sign of the zodiac in astrology.b. One who is born under this sign. Also called In all senses also called Crab .
Origin of CancerMiddle English from Latin; see canker .
See also disease and illness.adenocele a cystic tumor that may develop in the glands. adenosarcoma a malignant glandular tumor of the soft tissues of the body. astroblastoma a malignant tumor that may invade the brain and spinal cord, especially investing blood vessels. astrocytoma a brain tumor composed of large, star-shaped cells called astrocytes. blastoma a neoplasm arising in the blastema, i.e., tissue from which an organ or part is formed. Also blastocytoma. cancericidal of or pertaining to a chemical or process than can destroy malignant cells. cancerophobia carcinomophobia. cancroid 1. of or pertaining to a lesion that resembles cancer. 2. a malignant skin cancer. carcinectomy the surgical removal of a cancer. carcinogen any natural or artificial substance that can produce or trigger cancer, as arsenic, asbestos, ionizing radiation, ultraviolet rays, x rays, and many derivatives of coal tar. —carcinogenic, adj. carcinoid a small, yellow tumor that may develop from argentaffin cells in the gastrointestinal mucosa and spread widely throughout the body. carcinolysis the destruction of malignant cells, as by an antineoplastic drug. carcinoma 1. a malignant tumor that may spread to surrounding tissue and distant areas of the body. 2. any kind of epithelial cancer. —carcinomatous, adj. carcinomatosis carcinosis. carcinophobia an abnormal fear of cancer. Also called cancerophobia. carcinophilia an afflnity for cancerous tissue, a property of certain chemical agents. —carcinophilic, adj. carcinosis 1. an abnormal condition characterized by the growth of numer-ous carcinomas throughout the body. Also carcinomatosis. 2. the process of development of carcinoma. carcinostatic of or pertaining to the slowing or stopping of the growth of a carcinoma. celiothelioma mesothelioma. cerebroma any abnormal mass of brain tissue, malignant or benign. chemosurgery a therapeutic procedure that uses chemicals to destroy pathogenic tissue, especially skin cancers. chemotherapy a procedure that uses radioisotopes of various elements, as iodine, phosphorus, and gold, to treat cancers of the thyroid gland, lungs, and other organs. chloroma a malignant, greenish tumor that invades myeloid tissue and fluoresces red under ultraviolet light. chondrocarcinoma a malignant cartilageous tumor of the epithelium. chondrosarcoma a malignant cartilageous tumor that most frequently invades the long bones, pelvis, and the scapula. chordoma a rare congenital tumor of the brain. chorioblastoma choriocarcinoma. choriocarcinoma a uterine malignancy that may develop shortly after conception, during pregnancy, or after an abortion. Also called chorioblastoma, chorionic epithelioma. comedocarcinoma a malignant tumor of the mammary ducts. cystoma any neoplasm or tumor that contains cysts, especially any such tumor that invades the ovaries. cytotechnology the study of human cells, especially to detect signs of cancer. —cytotechnologist, n. —cytotechnolqgic, adj. erythroleukemia a malignancy of the blood characterized by abnormally productive bone marrow and the development of oddly-shaped blood cells. glioma any of the predominant category of brain tumors composed of cancerous glial cells (a type of nerve cell). hepatoma a malignant tumor of the liver that most commonly occurs in association with hepatitis or cirrhosis, leukemia a malignancy of blood-producing tissues, characterized by proliferating immature white blood cells and infiltration of the spleen, liver, and other organs. Also leukocythemia. —leukemie, leukemoid, adj. leukocythemia leukemia. liposarcoma a cancerous growth of primitive fat cells. Also called lipoma sarcomatode. lymphoma a growth of lymphoid tissue that is commonly cancerous and typically enlarges the lymph nodes. medulloblastoma a malignant tumor that commonly originates in the cere-bellum. melanoma any malignant growth, especially in the skin, that is composed of melanin-producing cells. mesothelioma a rare malignant tumor that may invade the linings of the lungs and the abdomen. Also called celiothelioma. metastasis the spread of malignancies, characterized by the cancerous invasion of the lymphatic system, the blood, and body organs. —metastatic, adj. —metastasize, v. neoplasia the abnormal proliferation of benign or malignant cells. —neoplastic, adj. neoplasm the abnormal development of benign or cancerous tissue. —neoplastic, adj. neurinoma a tumor that develops in a neural sheath and that may become malignant. neuroblastoma a highly malignant tumor that may develop from the neural plate in an embryo and spread to the bones, liver, and other organs. neurosarcoma a malignant growth composed of neural, connective, and vascular tissues. Also called malignant neuroma. oncogenesis the process by which a tumor develops. —oncogenic, adj. oncology the field of medicine that specializes in the study of tumors. osteoclastoma a giant cell bone tumor that most commonly develops at the end of a long bone. osteosarcoma a malignant bone tumor. Also called osteogenic sarcoma. retinoblastoma a common childhood malignancy of the eye that develops from retinal cells. sarcoma a rare malignant tumor of the soft tissues that commonly develops in the lower extremities. ulocarcinoma a malignancy of the gums.
- (medicine, oncology, pathology) A disease in which the cells of a tissue undergo uncontrolled (often rapid) proliferation.
- (figuratively) Something which spreads within something else, damaging the latter.
- 1999, Bruce Clifford Ross-Larson, Effective Writing, page 134:
- Sierra Leone's post-dictator problems are almost absurd in their breadth. It once exported rice; now it can't feed itself. The life span of the average citizen is 39, the shortest in Africa. Unemployment stands at 87 percent and tuberculosis is spreading out of control. Corruption, brazen and ubiquitous, is a cancer on the economy.
- 1999, Bruce Clifford Ross-Larson, Effective Writing, page 134:
From Latin cancer (“crab”), from Ancient Greek καρκίνος (karkinos, “crab”); applied to cancerous tumors because the enlarged veins resembled the legs of a crab.
- Someone with a Cancer star sign
From Latin cancer (“crab”), from Ancient Greek καρκίνος (karkinos, “crab”).