(v. t.) A case of canvas or leather, for carrying on the back a soldier's necessaries, or the clothing, etc., of a traveler.
Example Sentences:
(1) Potential dermal exposure from tractor-powered sprayers fitted with conventional hydraulic nozzles was lower than from knapsack sprayers, with exposure from a tractor-powered sprayer fitted with controlled-droplet application equipment intermediate in this regard.
(2) You can date the phrase back further, to 1998, when Peggy McIntosh used the word "privilege" in her essay White Privilege: Unpacking the Invisible Knapsack .
(3) Experiments on the frequency and duration of molluscicide treatments were carried out, and from these it was concluded that 5-day applications of N-tritylmorpholine at 0.025 ppm every 7 weeks might lead to a break in transmission by control of the snails.In another set of trials, drainage ditches were treated alternately with N-tritylmorpholine and niclosamide ethanolamine salt, and although the chemicals differed only slightly in their effect, the latter-being ovicidal-was chosen to be applied at approximately 4 ppm by knapsack sprayer every 8 weeks.
(4) He was weighed down with baggage: a white plastic bag, a raffia shopping basket and a knapsack, all of which appeared to be full.
(5) Trenches are recreated, and knapsacks available so you can feel how heavy they weigh.
(6) And do those abandoned knapsacks belong to corpses hauled out of sight of the camera?
(7) The lower legs of the workers were exposed principally when knapsack sprayers were used.
(8) To support the continued use and the registration of monocrotophos, a field study was conducted at Calauan, Laguna, The Philippines, to assess exposure and the resulting health risk to 21 spraymen applying monocrotophos to rice crop by knapsack spraying during 3 consecutive days.
(9) Then, his knapsack stocked with an apple, a toothbrush, a book on government – all you need for a night behind bars – John Lewis led them out of the church on a mission to change America.
(10) Non-toxic model pesticides and tracer dyes were applied to rice, vegetable, mango, cotton and coffee crops in the Philippines, Thailand, Tanzania and Malawi, using knapsack and ULV spinning disc sprayers.
(11) Two patients with signs and symptoms of paralysis of the brachial plexus, caused by compression during surgery in one (case 1) and by a knapsack in the other (case 2), were examined.
(12) Items assessed included protective garments worn by workers mixing and loading the organophosphorus insecticide formulation Tamaron and by spraymen applying the diluted formulation for several hours per day to a cotton crop with knapsack sprayers.
(13) The OED dates the first reference to "knapsacks" to 1603, when the English poet Michael Drayton imagined soldiers filling them with things found in the field.
(14) "I am leafing through a CDF drawing book and there are knapsacks on some people.
(15) Like the children in Calais, he had very little with him, a few clothes and a knapsack of food, (which he forgot to open on the journey – a sign, he thinks, of how traumatised he was).
(16) As a former foreign secretary and as a backbencher with a field marshal's baton in his knapsack, the past two and a half years have been hard.
(17) Emulsifiable concentrates of DursbanR (chlorpyrifos) and Dowco 214 (chlorpyrifos-methyl) were tested as mosquito larvicides using Hudson knapsack sprayers on small plots of rice-fields on Penang Island.
(18) Patten begins gently by telling me that his grandparents were both headteachers in Manchester; he had Didsbury aunties and, as a boy, used to follow Brian Statham, the Lancashire fast bowler, from ground to ground, a bottle of Tizer and Sandwich Spread sarnies in his knapsack.
(19) All I took with me was a small shoulder knapsack that contained a six-pack of beer, cigarettes, matches, a bag of crisps and a toilet roll.