a white powder used as an insecticide, similar to chlordane
heptachlor in American English
(ˈhɛptəˌklɔr)
US
noun
a waxy solid, C10H7Cl7, similar to chlordane, formerly used as an insecticide
heptachlor in American English
(ˈheptəˌklɔr, -ˌklour)
noun
a highly toxic, light-tan, waxy solid, C10H5Cl7, used as an insecticide: its manufacture and use are restricted in the U.S.
Word origin
[1945–50; hepta- + chlor-2]This word is first recorded in the period 1945–50. Other words that entered Englishat around the same time include: RNA, fail-safe, on-line, synchronized swimming, taxi squadchlor- is a combining form used in the names of chemical compounds in which chlorine ispresent. Other words that use the affix chlor- include: chloral, chloramine, chloranil, chloride, chlormerodrin
Examples of 'heptachlor' in a sentence
heptachlor
The analysed water contained heptachlor in the highest concentrations of 15.97 mg/dm3.
Mariusz Głowacki, Tomasz Ciesielczuk 2014, 'ASSESSMENT OF PAHS AND SELECTED PESTICIDES IN SHALLOW GROUNDWATER IN THE HIGHEST PROTECTEDAREAS IN THE OPOLE REGION, POLAND', Journal of Ecological Engineeringhttp://www.journalssystem.com/jeeng/Assessment-of-pahs-and-selected-pesticides-in-shallow-groundwater-in-the-highest-protected-areas-in-the-opole-region-poland,31,0,2.html. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Good quality water must not include concentrations higher than 0.5 mg/dm3 of heptachlor.
Mariusz Głowacki, Tomasz Ciesielczuk 2014, 'ASSESSMENT OF PAHS AND SELECTED PESTICIDES IN SHALLOW GROUNDWATER IN THE HIGHEST PROTECTEDAREAS IN THE OPOLE REGION, POLAND', Journal of Ecological Engineeringhttp://www.journalssystem.com/jeeng/Assessment-of-pahs-and-selected-pesticides-in-shallow-groundwater-in-the-highest-protected-areas-in-the-opole-region-poland,31,0,2.html. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For lindane, heptachlor and aldrin the concentrations were significantly different only betweenclimatic periods.
Espinosa Luisa F., Campos Néstor H., Ramírez Gustavo 1998, 'Residuos de plaguicidas organoclorados en Rhizophora mangle y Avicennia germinansen la Ciénaga Grande de Santa Marta, Caribe Colombiano', Caldasiahttp://www.revistas.unal.edu.co/index.php/cal/article/view/17469. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The analysis showed that heptachlor was detected in soil, water and in agricultural products.
Sigit Yuli Jatmiko, Edhi Martono, Djoko Prajitno, Suratman Worosuprojo 2010, 'Distribusi Ruang Insektisida Heptaklor di Lahan Pertanian Kabupaten Bantul ProvinsiDaerah Istimewa Yogyakarta', Jurnal Perlindungan Tanaman Indonesiahttps://jurnal.ugm.ac.id/jpti/article/view/11751. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The range of heptachlor used in all the samples was 0.682 ppb to 5.464 ppb.
Md. Nurul Huda Bhuiyan, Habibur Rahman Bhuiyan, Matiur Rahim, Kabir Ahmed, K. M. FormuzulHaque, Md. Tariqul Hassan, Md. Nazrul Islam Bhuiyan 2008, 'Screening of organochlorine insecticides (DDT and heptachlor) in dry fish availablein Bangladesh', Bangladesh Journal of Pharmacologyhttps://www.banglajol.info/index.php/BJP/article/view/997. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)